Mark Silverberg, MD MMB FACEP Vivian Tsai, MD MPH Kaedrea Jackson, MD MPH Department of Emergency Medicine SUNY Downstate ...
EKG 1
Answer: EKG 1 <ul><li>Rate: 70 </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: Normal, between -30 and 110 </li></ul...
EKG 2
Answer: EKG 2  <ul><li>Rate: 90 </li></ul><ul><li>Rhythm: Sinus with paced ventricles </li></ul><ul><li>Axis: -75 </li></u...
EKG 3
Answer: EKG 3 <ul><li>Rate: 2 beats(1cuplet)/1.44 seconds, 42 bpm </li></ul><ul><li>Rhythm: Bigemini </li></ul><ul><li>Axi...
EKG 4
Answer: EKG 4 <ul><li>Rate: Vent. response 48bpm </li></ul><ul><li>Rhythm: Atrial flutter </li></ul><ul><li>Axis: +50 </li...
EKG 5
Answer: EKG 5 <ul><li>Rate: 56 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: +45  </li></ul><ul><li>Intervals:...
EKG 6
Answer: EKG 6 <ul><li>Rate: Irregular  tachycardia </li></ul><ul><li>Rhythm: Multifocal atrial tachycardia </li></ul><ul><...
EKG 7
Answer: EKG 7 <ul><li>Rate: Irregular tachycardia </li></ul><ul><li>Rhythm: Atrial fibrillation </li></ul><ul><li>Axis: -4...
EKG 8
Answer: EKG 8 <ul><li>Rate: 90 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: +40 </li></ul><ul><li>Intervals: ...
EKG 9
Answer: EKG 9 <ul><li>Rate: 250 bpm </li></ul><ul><li>Rhythm: SVT </li></ul><ul><li>Axis: +135 </li></ul><ul><li>Intervals...
EKG 10
Answer: EKG 10 <ul><li>Rate: 100 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: -10 </li></ul><ul><li>Intervals...
EKG 11
Answer: EKG 11 <ul><li>Rate: 74 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: -75 </li></ul><ul><li>Intervals:...
EKG 12
Answer: EKG 12 <ul><li>Rate: Atria 100 bpm, Ventricles 25 bpm </li></ul><ul><li>Rhythm: Sinus with every 3 rd  beat captur...
EKG 13
Answer: EKG 13 <ul><li>Rate: 72 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: -30 </li></ul><ul><li>Intervals:...
EKG 14
Answer: EKG 14 <ul><li>Rate: 70 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: +45 </li></ul><ul><li>Intervals:...
EKG 15
Answer: EKG 15 <ul><li>Rate: 80 bpm (8 beats in 6 sec) </li></ul><ul><li>Rhythm: Bigeminy – frequent regular PVCs </li></u...
EKG 16
Answer: EKG 16 <ul><li>Rate: 88 bpm </li></ul><ul><li>Rhythm:  NSR </li></ul><ul><li>Axis:  - 83 </li></ul><ul><li>Interva...
EKG 17
Answer: EKG 17 <ul><li>Rate:  79 bpm </li></ul><ul><li>Rhythm:  NSR </li></ul><ul><li>Axis: + 75 </li></ul><ul><li>Interva...
EKG 18
Answer: EKG 18 <ul><li>Rate:  57bpm </li></ul><ul><li>Rhythm:  NSR </li></ul><ul><li>Axis: + 20 </li></ul><ul><li>Interval...
EKG 19
Answer: EKG 19 <ul><li>Rate:  47 bpm </li></ul><ul><li>Rhythm:  Junctional bradycardia </li></ul><ul><li>Axis:  + 60 </li>...
EKG 20
Answer: EKG 20 <ul><li>Rate:  60 – 100 bpm </li></ul><ul><li>Rhythm:  Dual chamber pacing </li></ul><ul><li>Axis:  Left ax...
EKG 21
Answer: EKG 21 <ul><li>Rate:  273 bpm </li></ul><ul><li>Rhythm:  SVT </li></ul><ul><li>Axis:  + 24 </li></ul><ul><li>Inter...
EKG 22
Answer: EKG 22 <ul><li>Rate:  68 bpm </li></ul><ul><li>Rhythm: A-flutter </li></ul><ul><li>Axis:  - 99 </li></ul><ul><li>I...
EKG 23
Answer: EKG 23 <ul><li>Rate:  105 bpm </li></ul><ul><li>Rhythm:  MFAT </li></ul><ul><li>Axis:  - 54 </li></ul><ul><li>Inte...
EKG 24
Answer: EKG 24 <ul><li>Rate:  65 bpm </li></ul><ul><li>Rhythm:  First degree AV block </li></ul><ul><li>Axis:  + 68 </li><...
EKG 25
Answer: EKG 25 <ul><li>Rate:  80 bpm </li></ul><ul><li>Rhythm:  NSR with PACs originating from focus inferior to SA node  ...
EKG 26
Answer: EKG 26 <ul><li>Rate:  88 bpm </li></ul><ul><li>Rhythm:  NSR </li></ul><ul><li>Axis:  + 41 </li></ul><ul><li>Interv...
EKG 27
Answer: EKG 27 <ul><li>Rate:  60 bpm </li></ul><ul><li>Rhythm: Ventricular pacing </li></ul><ul><li>Axis:  - 45 </li></ul>...
EKG 28
Answer: EKG 28 <ul><li>Rate:  79 bpm </li></ul><ul><li>Rhythm:  NSR </li></ul><ul><li>Axis:  + 39 </li></ul><ul><li>Interv...
EKG 29
Answer: EKG 29 <ul><li>Rate:  143 bpm </li></ul><ul><li>Rhythm:  Sinus Tachycardia </li></ul><ul><li>Axis:  + 27 </li></ul...
EKG 30
Answer: EKG 30 <ul><li>Rate: 71 bpm </li></ul><ul><li>Rhythm:  NSR w/ 1 dropped beat c/w SA block </li></ul><ul><li>Axis: ...
EKG 31
Answer: EKG 31 <ul><li>Rate:  79 bpm </li></ul><ul><li>Rhythm:  NSR </li></ul><ul><li>Axis:  -37 </li></ul><ul><li>Interva...
EKG 32
Answer: EKG 32 <ul><li>Rate:  33 bpm </li></ul><ul><li>Rhythm:  Paced rhythm; pacer fails to sense; Type II second degree ...
EKG 33
Answer: EKG 33 <ul><li>Rate:  200 bpm </li></ul><ul><li>Rhythm:  SVT </li></ul><ul><li>Axis:  + 40 </li></ul><ul><li>Inter...
EKG 34
Answer: EKG 34 <ul><li>Rate:  214 bpm </li></ul><ul><li>Rhythm:  Wide complex tachycardia; PSVT with aberrancy vs. VT </li...
EKG 35
Answer: EKG 35 <ul><li>Rate:  71 bpm </li></ul><ul><li>Rhythm:  NSR </li></ul><ul><li>Axis:  + 60 </li></ul><ul><li>Interv...
EKG 36
Answer: EKG 36 <ul><li>Rate:  142 bpm (9 beats in 3.8 sec) </li></ul><ul><li>Rhythm:  Atrial fibrillation  </li></ul><ul><...
EKG 37
Answer: EKG 37 <ul><li>Rate:  71 bpm </li></ul><ul><li>Rhythm:  Paced atrial rhythm </li></ul><ul><li>Axis:  + 74 </li></u...
EKG 38
Answer: EKG 38 <ul><li>Rate:  43 bpm </li></ul><ul><li>Rhythm:  Complete heart block with junctional rhythm </li></ul><ul>...
EKG 39
Answer: EKG 39 <ul><li>Rate:  30 bpm (~intrinsic rate of AV node) </li></ul><ul><li>Rhythm:  Junctional escape </li></ul><...
EKG 40
Answer: EKG 40 <ul><li>Rate:  150 bpm </li></ul><ul><li>Rhythm:  A-flutter </li></ul><ul><li>Axis:  - 7 </li></ul><ul><li>...
EKG 41
Answer: EKG 41 <ul><li>Rate:  43 bpm </li></ul><ul><li>Rhythm:  AV dissociation with junctional rhythm </li></ul><ul><li>A...
EKG 42
Answer: EKG 42 <ul><li>Rate:  83 bpm </li></ul><ul><li>Rhythm:  NSR </li></ul><ul><li>Axis:  +33 </li></ul><ul><li>Interva...
EKG 43
Answer: EKG 43 <ul><li>Rate: 65 bpm </li></ul><ul><li>Rhythm:  NSR </li></ul><ul><li>Axis:  + 27 </li></ul><ul><li>Interva...
EKG 44
Answer: EKG 44 <ul><li>Rate:  150 bpm </li></ul><ul><li>Rhythm:  A-flutter </li></ul><ul><li>Axis:  + 90 </li></ul><ul><li...
EKG 45
Answer: EKG 45 <ul><li>Rate:  120 bpm </li></ul><ul><li>Rhythm:  Regular </li></ul><ul><li>Axis:  NA </li></ul><ul><li>Int...
EKG 46
Answer: EKG 46 <ul><li>Rate:  83 bpm </li></ul><ul><li>Rhythm:  NSR with sinusoidal PVC (post treatment of EKG 45) </li></...
EKG 47
Answer: EKG 47 <ul><li>Rate:  71 bpm </li></ul><ul><li>Rhythm:  Sinus with first degree AV block </li></ul><ul><li>Axis:  ...
EKG 48
Answer: EKG 48 <ul><li>Rate:  117 bpm </li></ul><ul><li>Rhythm:  A-fib </li></ul><ul><li>Axis:  +45 </li></ul><ul><li>Inte...
EKG 49
Answer: EKG 49 <ul><li>Rate:  115 bpm </li></ul><ul><li>Rhythm:  Junctional tachycardia </li></ul><ul><li>Axis:  + 63 </li...
EKG 50
Answer: EKG 50 <ul><li>Rate:  63 bpm </li></ul><ul><li>Rhythm:  NSR with PACs </li></ul><ul><li>Axis:  - 6 </li></ul><ul><...
EKG 51
Answer: EKG 51 <ul><li>Rate:  75 bpm </li></ul><ul><li>Rhythm:  Atrial flutter </li></ul><ul><li>Axis:  + 53 </li></ul><ul...
EKG 52
Answer: EKG 52 <ul><li>Rate:  38 bpm </li></ul><ul><li>Rhythm:  Sinus bradycardia </li></ul><ul><li>Axis:  + 17 </li></ul>...
EKG 53
Answer: EKG 53 <ul><li>Rate:  107 bpm </li></ul><ul><li>Rhythm:  Sinus tachycardia </li></ul><ul><li>Axis:  - 27 </li></ul...
EKG 54
Answer: EKG 54 <ul><li>Rate:  140 bpm </li></ul><ul><li>Rhythm:  Multifocal atrial tachycardia </li></ul><ul><li>Axis:  -4...
EKG 55
Answer: EKG 55 <ul><li>Rate:  214 bpm </li></ul><ul><li>Rhythm:  Ventricular tachycardia </li></ul><ul><li>Axis:  +150 </l...
EKG 56
Answer: EKG 56 <ul><li>Rate:  45 bpm </li></ul><ul><li>Rhythm:  Third degree heart block </li></ul><ul><li>Axis:  - 5 </li...
EKG 57
Answer: EKG 57 <ul><li>Rate:  47 bpm </li></ul><ul><li>Rhythm:  Sinus bradycardia w/ ectopic atrial pacemaker </li></ul><u...
EKG 58
Answer: EKG 58 <ul><li>Rate:  34-70 bpm </li></ul><ul><li>Rhythm:  Atrial pacer with failure to capture; PVCs </li></ul><u...
EKG 59
Answer: EKG 59 <ul><li>Rate:  72 bpm </li></ul><ul><li>Rhythm:  Sinoatrial block </li></ul><ul><li>Axis:  + 34 </li></ul><...
EKG 60
Answer: EKG 60 <ul><li>Rate:  88 bpm </li></ul><ul><li>Rhythm:  Ectopic atrial pacemaker </li></ul><ul><li>Axis:  + 72 </l...
EKG 61
Answer: EKG 61 <ul><li>Rate:  115 bpm </li></ul><ul><li>Rhythm:  Sinus tachycardia </li></ul><ul><li>Axis:  + 61 </li></ul...
EKG 62
Answer: EKG 62 <ul><li>Rate:  89 bpm </li></ul><ul><li>Rhythm:  Wandering atrial pacemaker </li></ul><ul><li>Axis:  + 45 <...
EKG 63
Answer: EKG 63 <ul><li>Rate:  167 bpm </li></ul><ul><li>Rhythm:  Supraventricular tachycardia </li></ul><ul><li>Axis:  + 4...
EKG 64
Answer: EKG 64 <ul><li>Rate:  214 bpm </li></ul><ul><li>Rhythm:  Ventricular tachycardia </li></ul><ul><li>Axis:  N/A </li...
EKG 65
Answer: EKG 65 <ul><li>Rate:  77 bpm </li></ul><ul><li>Rhythm:  Dual chamber pacing </li></ul><ul><li>Axis:  - 47 </li></u...
EKG 66
Answer: EKG 66 <ul><li>Rate:  94 bpm </li></ul><ul><li>Rhythm:  NSR </li></ul><ul><li>Axis:  + 90 </li></ul><ul><li>Interv...
EKG 67
Answer: EKG 67 <ul><li>Rate:  86 bpm </li></ul><ul><li>Rhythm:  NSR </li></ul><ul><li>Axis:  - 6 </li></ul><ul><li>Interva...
EKG 68
Answer: EKG 68 <ul><li>Rate:  59 bpm </li></ul><ul><li>Rhythm:  Junctional bradhycardia </li></ul><ul><li>Axis:  + 90 </li...
EKG 69
Answer: EKG 69 <ul><li>Rate:  63 bpm </li></ul><ul><li>Rhythm:  Wandering pacemaker </li></ul><ul><li>Axis:  + 45 </li></u...
EKG 70
Answer: EKG 70 <ul><li>Rate:  100-167 bpm </li></ul><ul><li>Rhythm:  SVT with intervention </li></ul><ul><li>Axis:  N/A </...
EKG 71
Answer: EKG 71 <ul><li>Rate: 107 bpm </li></ul><ul><li>Rhythm: Sinus tachycardia </li></ul><ul><li>Axis: +30 </li></ul><ul...
EKG 72
Answer: EKG 72 <ul><li>Rate:  50 bpm </li></ul><ul><li>Rhythm: Sinus bradycardia </li></ul><ul><li>Axis:  - 45  </li></ul>...
EKG 73
Answer: EKG 73 <ul><li>Rate: 100 bpm </li></ul><ul><li>Rhythm: bigemini  </li></ul><ul><li>Axis: 0 </li></ul><ul><li>Inter...
EKG 74
Answer: EKG 74 <ul><li>Rate:  150 bpm </li></ul><ul><li>Rhythm:  A-flutter </li></ul><ul><li>Axis:  0 </li></ul><ul><li>In...
EKG 75
Answer: EKG 75 <ul><li>Rate:  45 bpm </li></ul><ul><li>Rhythm: Sinus bradycardia </li></ul><ul><li>Axis: -23 </li></ul><ul...
EKG 76
Answer: EKG 76 <ul><li>Rate:  167 bpm </li></ul><ul><li>Rhythm:  supraventricular tachycardia  </li></ul><ul><li>Axis:  +4...
EKG 77
Answer: EKG 77 <ul><li>Rate: 69 bpm </li></ul><ul><li>Rhythm: Bigemini </li></ul><ul><li>Axis: 0 </li></ul><ul><li>Interva...
EKG 78
Answer: EKG 78 <ul><li>Rate:  58-68 bpm </li></ul><ul><li>Rhythm:  Sinus </li></ul><ul><li>Axis:  </li></ul><ul><li>Interv...
EKG 79
Answer: EKG 79 <ul><li>Rate: 100 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: +104 </li></ul><ul><li>Interval...
EKG 80
Answer: EKG 80 <ul><li>Rate: 136 bpm </li></ul><ul><li>Rhythm: Junctional tachycardia </li></ul><ul><li>Axis: -4/12 </li><...
EKG 81
Answer: EKG 81 <ul><li>Rate: 150 bpm  </li></ul><ul><li>Rhythm: A-flutter  </li></ul><ul><li>Axis: 0 </li></ul><ul><li>Int...
EKG 82
Answer: EKG 82 <ul><li>Rate:  68 bpm </li></ul><ul><li>Rhythm:  NSR </li></ul><ul><li>Axis:  + 63 </li></ul><ul><li>Interv...
EKG 83
Answer: EKG 83 <ul><li>Rate: 88 bpm </li></ul><ul><li>Rhythm: NSR with PVCs </li></ul><ul><li>Axis:  + 18 </li></ul><ul><l...
EKG 84
Answer: EKG 84 <ul><li>Rate: 100 bpm </li></ul><ul><li>Rhythm: NSR  </li></ul><ul><li>Axis:  - 10 </li></ul><ul><li>Interv...
EKG 85
Answer: EKG 85 <ul><li>Rate: 96 bpm </li></ul><ul><li>Rhythm:  A-fib </li></ul><ul><li>Axis: + 36 </li></ul><ul><li>Interv...
EKG 86
Answer: EKG 86 <ul><li>Rate: 102 bpm </li></ul><ul><li>Rhythm: NSR with 2 PACs in between the sinus beats </li></ul><ul><l...
EKG 87
Answer: EKG 87 <ul><li>Rate: 167 bpm </li></ul><ul><li>Rhythm: V-Tachycardia </li></ul><ul><li>Axis: N/A </li></ul><ul><li...
EKG 88
Answer: EKG 88 <ul><li>Rate:  75 bpm </li></ul><ul><li>Rhythm: A-Flutter </li></ul><ul><li>Axis:  + 53 </li></ul><ul><li>I...
EKG 89
Answer: EKG 89 <ul><li>Rate:  67 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis:  + 41 </li></ul><ul><li>Interva...
EKG 90
Answer: EKG 90 <ul><li>Rate: 45 bpm </li></ul><ul><li>Rhythm: Junctional bradycardia </li></ul><ul><li>Axis:  + 62 </li></...
EKG 91
Answer: EKG 91 <ul><li>Rate:  43 bpm </li></ul><ul><li>Rhythm: Sinus bradycardia </li></ul><ul><li>Axis:  + 71 </li></ul><...
EKG 92
Answer: EKG 92 <ul><li>Rate:  94 bpm </li></ul><ul><li>Rhythm:  Paced + intrinsic sinus rhythm </li></ul><ul><li>Axis:  - ...
EKG 93
Answer: EKG 93 <ul><li>Rate:  39 bpm </li></ul><ul><li>Rhythm: Third degree heart block  </li></ul><ul><li>Axis: + 40 </li...
EKG 94
Answer: EKG 94 <ul><li>Rate:  136 bpm </li></ul><ul><li>Rhythm:  A-fib w/ rapid ventricular response </li></ul><ul><li>Axi...
EKG 95
Answer: EKG 95 <ul><li>Rate:  64 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis:  + 6 </li></ul><ul><li>Interval...
EKG 96
Answer: EKG 96 <ul><li>Rate:  43 bpm </li></ul><ul><li>Rhythm: Sinus bradycardia </li></ul><ul><li>Axis: + 68 </li></ul><u...
EKG 97
Answer: EKG 97 <ul><li>Rate:  114 bpm </li></ul><ul><li>Rhythm: MFAT </li></ul><ul><li>Axis:  - 70 </li></ul><ul><li>Inter...
EKG 98
Answer: EKG 98 <ul><li>Rate:  73 bpm </li></ul><ul><li>Rhythm: NSR with non-conducted ectopic atrial beats </li></ul><ul><...
EKG 99
Answer: EKG 99 <ul><li>Rate:  115 bpm </li></ul><ul><li>Rhythm:  Sinus tachycardia </li></ul><ul><li>Axis:  + 79 </li></ul...
EKG 100
Answer: EKG 100  <ul><li>Rate: 94 bpm </li></ul><ul><li>Rhythm:  NSR </li></ul><ul><li>Axis: - 20  </li></ul><ul><li>Inter...
EKG 101
Answer: EKG 101 <ul><li>Rate: 75 bpm </li></ul><ul><li>Rhythm:  sinus </li></ul><ul><li>Axis: - 130 </li></ul><ul><li>Inte...
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Ekg Test Upload

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100 Practice EKGs to try.

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  • dear sir . wonderful gem of a ecg quiz ... as a student i would request you to send it to my mail yasiryahya2000@yahoo.com
    regards
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  • dear sir . wonderful gem of a ecg quiz ... as a student i would request you to send it to my mail kashan.zaurayz@gmail.com
    regards
       Reply 
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Ekg Test Upload

  1. 1. Mark Silverberg, MD MMB FACEP Vivian Tsai, MD MPH Kaedrea Jackson, MD MPH Department of Emergency Medicine SUNY Downstate Medical Center/ Kings County Hospital Brooklyn, NY
  2. 2. EKG 1
  3. 3. Answer: EKG 1 <ul><li>Rate: 70 </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: Normal, between -30 and 110 </li></ul><ul><li>Intervals: Normal PR<200ms, QRS<120ms </li></ul><ul><li>Morphology: No BBB pattern or chamber hypertrophy/dilation </li></ul><ul><li>ST Segments: No elevation or depression </li></ul><ul><li>T Waves: Not flipped or flat </li></ul>
  4. 4. EKG 2
  5. 5. Answer: EKG 2 <ul><li>Rate: 90 </li></ul><ul><li>Rhythm: Sinus with paced ventricles </li></ul><ul><li>Axis: -75 </li></ul><ul><li>Intervals: PR=195ms, QRS=160ms </li></ul><ul><li>Morphology: Neg. P in V1=LAE, Pacer </li></ul><ul><li>ST Segments: C/W paced rhythm </li></ul><ul><li>T Waves: C/W paced rhythm </li></ul>
  6. 6. EKG 3
  7. 7. Answer: EKG 3 <ul><li>Rate: 2 beats(1cuplet)/1.44 seconds, 42 bpm </li></ul><ul><li>Rhythm: Bigemini </li></ul><ul><li>Axis: +50 aberrancy </li></ul><ul><li>Intervals: Beat 1 PR=150ms, QRS 70/100ms (beat 1/2) </li></ul><ul><li>Morphology: First narrow, #2 aberrant </li></ul><ul><li>ST Segments: No ischemic changes,#2 C/W aberrant beats </li></ul><ul><li>T Waves: First no ischemia, #2 C/W aberrancy </li></ul>
  8. 8. EKG 4
  9. 9. Answer: EKG 4 <ul><li>Rate: Vent. response 48bpm </li></ul><ul><li>Rhythm: Atrial flutter </li></ul><ul><li>Axis: +50 </li></ul><ul><li>Intervals: QRS 125ms </li></ul><ul><li>Morphology: LBBB </li></ul><ul><li>ST Segments: C/W LBBB </li></ul><ul><li>T Waves: C/W LBBB </li></ul>
  10. 10. EKG 5
  11. 11. Answer: EKG 5 <ul><li>Rate: 56 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: +45 </li></ul><ul><li>Intervals: PR=160ms, Wide QRS > 120 ms C/W BBB </li></ul><ul><li>Morphology: LBBB </li></ul><ul><li>ST Segments: C/W LBBB </li></ul><ul><li>T Waves: C/W LBBB </li></ul>
  12. 12. EKG 6
  13. 13. Answer: EKG 6 <ul><li>Rate: Irregular tachycardia </li></ul><ul><li>Rhythm: Multifocal atrial tachycardia </li></ul><ul><li>Axis: +15 (averaged) </li></ul><ul><li>Intervals: PR irregular, QRS 80ms but irreg. </li></ul><ul><li>Morphology: Multiple P’s, QRS narrow </li></ul><ul><li>ST Segments: No ischemic changes </li></ul><ul><li>T Waves: No ischemic changes </li></ul>
  14. 14. EKG 7
  15. 15. Answer: EKG 7 <ul><li>Rate: Irregular tachycardia </li></ul><ul><li>Rhythm: Atrial fibrillation </li></ul><ul><li>Axis: -45 </li></ul><ul><li>Intervals: Wide QRS > 120 ms C/W BBB </li></ul><ul><li>Morphology: LBBB </li></ul><ul><li>ST Segments: C/W LBBB </li></ul><ul><li>T Waves: C/W LBBB </li></ul>
  16. 16. EKG 8
  17. 17. Answer: EKG 8 <ul><li>Rate: 90 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: +40 </li></ul><ul><li>Intervals: PR=140ms, QRS with normal narrow complexes </li></ul><ul><li>Morphology: No BBB or chamber enlargement patterns </li></ul><ul><li>ST Segments: Diffuse ST elevation C/W pericarditis (Diffuse PR depression also) </li></ul><ul><li>T Waves: No Ischemic changes </li></ul>
  18. 18. EKG 9
  19. 19. Answer: EKG 9 <ul><li>Rate: 250 bpm </li></ul><ul><li>Rhythm: SVT </li></ul><ul><li>Axis: +135 </li></ul><ul><li>Intervals: No PR, Narrow QRS </li></ul><ul><li>Morphology: Narrow, C/W SVT </li></ul><ul><li>ST Segments: ? </li></ul><ul><li>T Waves: Superimposed on QRS </li></ul>
  20. 20. EKG 10
  21. 21. Answer: EKG 10 <ul><li>Rate: 100 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: -10 </li></ul><ul><li>Intervals: Normal PR, QRS=115ms </li></ul><ul><li>Morphology: LAFB </li></ul><ul><li>ST Segments: Elevation V1-V6, reciprocal ST depression inferiorly </li></ul><ul><li>T Waves: WNL </li></ul>
  22. 22. EKG 11
  23. 23. Answer: EKG 11 <ul><li>Rate: 74 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: -75 </li></ul><ul><li>Intervals: PR=160ms, QRS=120ms </li></ul><ul><li>Morphology: RBBB + LAHB </li></ul><ul><li>ST Segments: C/W BBB pattern </li></ul><ul><li>T Waves: C/W BBB pattern </li></ul>
  24. 24. EKG 12
  25. 25. Answer: EKG 12 <ul><li>Rate: Atria 100 bpm, Ventricles 25 bpm </li></ul><ul><li>Rhythm: Sinus with every 3 rd beat capture </li></ul><ul><li>Axis: +75 </li></ul><ul><li>Intervals: PR=520ms C/W 1 o AVB, QRS=170ms </li></ul><ul><li>Morphology: LBBB </li></ul><ul><li>ST Segments: C/W LBBB pattern </li></ul><ul><li>T Waves: C/W LBBB pattern </li></ul>
  26. 26. EKG 13
  27. 27. Answer: EKG 13 <ul><li>Rate: 72 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: -30 </li></ul><ul><li>Intervals: PR=160ms, QRS=120ms </li></ul><ul><li>Morphology: LBBB </li></ul><ul><li>ST Segments: C/W LBBB pattern </li></ul><ul><li>T Waves: Peaked C/W hyperkalemia </li></ul>
  28. 28. EKG 14
  29. 29. Answer: EKG 14 <ul><li>Rate: 70 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: +45 </li></ul><ul><li>Intervals: PR=160ms, QRS=80ms </li></ul><ul><li>Morphology: Narrow, partial fused with ST </li></ul><ul><li>ST Segments: Elevations inferiorly, reciprocal depressions laterally </li></ul><ul><li>T Waves: No ischemic changes </li></ul>
  30. 30. EKG 15
  31. 31. Answer: EKG 15 <ul><li>Rate: 80 bpm (8 beats in 6 sec) </li></ul><ul><li>Rhythm: Bigeminy – frequent regular PVCs </li></ul><ul><li>Axis: + 4 </li></ul><ul><li>Intervals: PR= 160ms, QRS<120 ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  32. 32. EKG 16
  33. 33. Answer: EKG 16 <ul><li>Rate: 88 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: - 83 </li></ul><ul><li>Intervals: PR= 160 ms, QRS= 120 ms </li></ul><ul><li>Morphology: Wide QRS, no chamber enlargement, RBBB, LAHB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: T-Inversion in V1-2 c/w Brugada syndrome </li></ul>
  34. 34. EKG 17
  35. 35. Answer: EKG 17 <ul><li>Rate: 79 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: + 75 </li></ul><ul><li>Intervals: PR= 160 ms, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: ST depression in II, III, aVF c/w inferior wall ischemia </li></ul><ul><li>T-waves: Flattened T waves in V4-5, inverted T in V6 suggests possible lateral wall ischemia </li></ul>
  36. 36. EKG 18
  37. 37. Answer: EKG 18 <ul><li>Rate: 57bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: + 20 </li></ul><ul><li>Intervals: PR= 160 ms, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS, LVH </li></ul><ul><li>ST segment: Inf elevation & lat reciprocal depressions c/w inf AMI </li></ul><ul><li>T-waves: Laterally inverted c/w reciprocal AMI changes </li></ul>
  38. 38. EKG 19
  39. 39. Answer: EKG 19 <ul><li>Rate: 47 bpm </li></ul><ul><li>Rhythm: Junctional bradycardia </li></ul><ul><li>Axis: + 60 </li></ul><ul><li>Intervals: No PR, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS, inverted P between QRS and T waves </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  40. 40. EKG 20
  41. 41. Answer: EKG 20 <ul><li>Rate: 60 – 100 bpm </li></ul><ul><li>Rhythm: Dual chamber pacing </li></ul><ul><li>Axis: Left axis deviation </li></ul><ul><li>Intervals: PR= 200 ms, QRS= 120 ms </li></ul><ul><li>Morphology: Wide QRS </li></ul><ul><li>ST segment: N/A </li></ul><ul><li>T-waves: N/A </li></ul>
  42. 42. EKG 21
  43. 43. Answer: EKG 21 <ul><li>Rate: 273 bpm </li></ul><ul><li>Rhythm: SVT </li></ul><ul><li>Axis: + 24 </li></ul><ul><li>Intervals: No PR, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS </li></ul><ul><li>ST segment: c/w SVT </li></ul><ul><li>T-waves: c/w SVT </li></ul>
  44. 44. EKG 22
  45. 45. Answer: EKG 22 <ul><li>Rate: 68 bpm </li></ul><ul><li>Rhythm: A-flutter </li></ul><ul><li>Axis: - 99 </li></ul><ul><li>Intervals: No PR, QRS = 120ms </li></ul><ul><li>Morphology: Wide QRS, no chamber enlargement, RBBB, LAHB </li></ul><ul><li>ST segment: c/w a-flutter, RBBB, LAHB </li></ul><ul><li>T-waves: c/w a-flutter, incomplete RBBB, LAHB </li></ul>
  46. 46. EKG 23
  47. 47. Answer: EKG 23 <ul><li>Rate: 105 bpm </li></ul><ul><li>Rhythm: MFAT </li></ul><ul><li>Axis: - 54 </li></ul><ul><li>Intervals: PR= 120-160, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  48. 48. EKG 24
  49. 49. Answer: EKG 24 <ul><li>Rate: 65 bpm </li></ul><ul><li>Rhythm: First degree AV block </li></ul><ul><li>Axis: + 68 </li></ul><ul><li>Intervals: PR= 320 ms, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS, LVH, no BBB </li></ul><ul><li>ST segment: ST depression in V4-6 and slightly in II, III, aVF; upward sloping of ST segment c/w digitalis effect </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  50. 50. EKG 25
  51. 51. Answer: EKG 25 <ul><li>Rate: 80 bpm </li></ul><ul><li>Rhythm: NSR with PACs originating from focus inferior to SA node </li></ul><ul><li>Axis: + 63 </li></ul><ul><li>Intervals: PR= 200 ms, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, occasional inverted P’s, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: T wave inversions in I, II, III, aVF, V3-V6 c/w possible inferior and lateral wall ischemia </li></ul>
  52. 52. EKG 26
  53. 53. Answer: EKG 26 <ul><li>Rate: 88 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: + 41 </li></ul><ul><li>Intervals: PR= 160ms, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: Diffuse PR depression c/w pericarditis </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  54. 54. EKG 27
  55. 55. Answer: EKG 27 <ul><li>Rate: 60 bpm </li></ul><ul><li>Rhythm: Ventricular pacing </li></ul><ul><li>Axis: - 45 </li></ul><ul><li>Intervals: PR= 240ms, QRS> 120ms </li></ul><ul><li>Morphology: Wide QRS </li></ul><ul><li>ST segment: c/w ventricular pacing </li></ul><ul><li>T-waves: c/w ventricular pacing </li></ul>
  56. 56. EKG 28
  57. 57. Answer: EKG 28 <ul><li>Rate: 79 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: + 39 </li></ul><ul><li>Intervals: PR= 140ms, QRS= 120 ms </li></ul><ul><li>Morphology: Wide QRS, RBBB, no chamber enlargement </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: T inversion in V1-3 c/w possible anterior septal ischemia T Waves </li></ul>
  58. 58. EKG 29
  59. 59. Answer: EKG 29 <ul><li>Rate: 143 bpm </li></ul><ul><li>Rhythm: Sinus Tachycardia </li></ul><ul><li>Axis: + 27 </li></ul><ul><li>Intervals: PR= 140 ms, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  60. 60. EKG 30
  61. 61. Answer: EKG 30 <ul><li>Rate: 71 bpm </li></ul><ul><li>Rhythm: NSR w/ 1 dropped beat c/w SA block </li></ul><ul><li>Axis: -22 </li></ul><ul><li>Intervals: PR= 320ms, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: Lateral T wave flattening & inversion in I, aVL suggests possible lateral wall ischemia </li></ul>
  62. 62. EKG 31
  63. 63. Answer: EKG 31 <ul><li>Rate: 79 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: -37 </li></ul><ul><li>Intervals: PR= 200ms, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, no LVH, no BBB </li></ul><ul><li>ST segment: ST elevation in II, III, aVF, V3-4 with reciprocal ST depression in I, aVL c/w anterior inferior acute MI </li></ul><ul><li>T-waves: c/w acute anterior inferior MI </li></ul>
  64. 64. EKG 32
  65. 65. Answer: EKG 32 <ul><li>Rate: 33 bpm </li></ul><ul><li>Rhythm: Paced rhythm; pacer fails to sense; Type II second degree block as underlying rhythm </li></ul><ul><li>Axis: -73 </li></ul><ul><li>Intervals: PR= 160ms (intrinsic), PR= 280ms (paced), QRS= 160ms </li></ul><ul><li>Morphology: Wide QRS </li></ul><ul><li>ST segment: c/w pacemaker malfunction; failure to sense </li></ul><ul><li>T-waves: c/w pacemaker malfunction; failure to sense </li></ul>
  66. 66. EKG 33
  67. 67. Answer: EKG 33 <ul><li>Rate: 200 bpm </li></ul><ul><li>Rhythm: SVT </li></ul><ul><li>Axis: + 40 </li></ul><ul><li>Intervals: No PR, QRS<120 ms </li></ul><ul><li>Morphology: Narrow QRS </li></ul><ul><li>ST segment: c/w SVT </li></ul><ul><li>T-waves: c/w SVT </li></ul>
  68. 68. EKG 34
  69. 69. Answer: EKG 34 <ul><li>Rate: 214 bpm </li></ul><ul><li>Rhythm: Wide complex tachycardia; PSVT with aberrancy vs. VT </li></ul><ul><li>Axis: + 104 </li></ul><ul><li>Intervals: No PR, QRS> 120 ms </li></ul><ul><li>Morphology: Wide QRS </li></ul><ul><li>ST segment: Wide complex tachycardia </li></ul><ul><li>T-waves: Wide complex tachycardia </li></ul>
  70. 70. EKG 35
  71. 71. Answer: EKG 35 <ul><li>Rate: 71 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: + 60 </li></ul><ul><li>Intervals: PR= 80ms, QRS= 120 ms </li></ul><ul><li>Morphology: Wide QRS with delta wave c/w WPW, no chamber enlargement, intraventricular conduction delay </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: T inversion in I, aVL, V3-5 c/w possible anterior and high lateral wall ischemia </li></ul>
  72. 72. EKG 36
  73. 73. Answer: EKG 36 <ul><li>Rate: 142 bpm (9 beats in 3.8 sec) </li></ul><ul><li>Rhythm: Atrial fibrillation </li></ul><ul><li>Axis: + 32 </li></ul><ul><li>Intervals: No PR, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: Non-specific ST/T changes </li></ul><ul><li>T-waves: T wave inversion in I, II, III, aVL, V4-V6, c/w inferior lateral wall ischemia </li></ul>
  74. 74. EKG 37
  75. 75. Answer: EKG 37 <ul><li>Rate: 71 bpm </li></ul><ul><li>Rhythm: Paced atrial rhythm </li></ul><ul><li>Axis: + 74 </li></ul><ul><li>Intervals: PR= 200ms, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, incomplete RBBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  76. 76. EKG 38
  77. 77. Answer: EKG 38 <ul><li>Rate: 43 bpm </li></ul><ul><li>Rhythm: Complete heart block with junctional rhythm </li></ul><ul><li>Axis: + 60 </li></ul><ul><li>Intervals: No PR, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, LVH, no BBB </li></ul><ul><li>ST segment: P waves in between QRS’ and T waves, no ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  78. 78. EKG 39
  79. 79. Answer: EKG 39 <ul><li>Rate: 30 bpm (~intrinsic rate of AV node) </li></ul><ul><li>Rhythm: Junctional escape </li></ul><ul><li>Axis: -12 </li></ul><ul><li>Intervals: No PR, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS complexes, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  80. 80. EKG 40
  81. 81. Answer: EKG 40 <ul><li>Rate: 150 bpm </li></ul><ul><li>Rhythm: A-flutter </li></ul><ul><li>Axis: - 7 </li></ul><ul><li>Intervals: PR= 160ms, QRS > 120 ms </li></ul><ul><li>Morphology: Wide QRS, no chamber enlargement, LBBB, poor R wave progression </li></ul><ul><li>ST segment: c/w LBBB </li></ul><ul><li>T-waves: c/w LBBB </li></ul>
  82. 82. EKG 41
  83. 83. Answer: EKG 41 <ul><li>Rate: 43 bpm </li></ul><ul><li>Rhythm: AV dissociation with junctional rhythm </li></ul><ul><li>Axis: + 45 </li></ul><ul><li>Intervals: No PR, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: ST elevation in II, III, aVF, V3-6 with reciprocal ST depression in I, aVL c/w acute inferior lateral wall infarction </li></ul><ul><li>T-waves: c/w acute inferior lateral wall infarction </li></ul>
  84. 84. EKG 42
  85. 85. Answer: EKG 42 <ul><li>Rate: 83 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: +33 </li></ul><ul><li>Intervals: PR=160 ms, QRS= 120 ms </li></ul><ul><li>Morphology: Wide QRS, no chamber enlargement, IVCD </li></ul><ul><li>ST segment: ST elevation in I, II, aVL, aVF, V1-V6 c/w acute inferior, anterioseptal and lateral wall infarction </li></ul><ul><li>T-waves: c/w acute inferior, anterioseptal and lateral wall infarction </li></ul>
  86. 86. EKG 43
  87. 87. Answer: EKG 43 <ul><li>Rate: 65 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: + 27 </li></ul><ul><li>Intervals: PR=160 ms, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  88. 88. EKG 44
  89. 89. Answer: EKG 44 <ul><li>Rate: 150 bpm </li></ul><ul><li>Rhythm: A-flutter </li></ul><ul><li>Axis: + 90 </li></ul><ul><li>Intervals: No PR, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, LVH, no BBB </li></ul><ul><li>ST segment: c/w LVH </li></ul><ul><li>T-waves: c/w LVH </li></ul>
  90. 90. EKG 45
  91. 91. Answer: EKG 45 <ul><li>Rate: 120 bpm </li></ul><ul><li>Rhythm: Regular </li></ul><ul><li>Axis: NA </li></ul><ul><li>Intervals: No PR, QRS> 120ms </li></ul><ul><li>Morphology: Sinusoidal wave forms c/w extreme hyperkalemia </li></ul><ul><li>ST segment: c/w extreme hyperkalemia </li></ul><ul><li>T-waves: c/w extreme hyperkalemia </li></ul>
  92. 92. EKG 46
  93. 93. Answer: EKG 46 <ul><li>Rate: 83 bpm </li></ul><ul><li>Rhythm: NSR with sinusoidal PVC (post treatment of EKG 45) </li></ul><ul><li>Axis: +90 </li></ul><ul><li>Intervals: PR= 200 ms, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, flattened P’s, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  94. 94. EKG 47
  95. 95. Answer: EKG 47 <ul><li>Rate: 71 bpm </li></ul><ul><li>Rhythm: Sinus with first degree AV block </li></ul><ul><li>Axis: + 48 </li></ul><ul><li>Intervals: PR= 300 ms, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  96. 96. EKG 48
  97. 97. Answer: EKG 48 <ul><li>Rate: 117 bpm </li></ul><ul><li>Rhythm: A-fib </li></ul><ul><li>Axis: +45 </li></ul><ul><li>Intervals: No PR, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, no LVH, no BBB </li></ul><ul><li>ST segment: c/w a-fib </li></ul><ul><li>T-waves: c/w a-fib </li></ul>
  98. 98. EKG 49
  99. 99. Answer: EKG 49 <ul><li>Rate: 115 bpm </li></ul><ul><li>Rhythm: Junctional tachycardia </li></ul><ul><li>Axis: + 63 </li></ul><ul><li>Intervals: No PR, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB, inverted P following QRS c/w junctional rhythm </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  100. 100. EKG 50
  101. 101. Answer: EKG 50 <ul><li>Rate: 63 bpm </li></ul><ul><li>Rhythm: NSR with PACs </li></ul><ul><li>Axis: - 6 </li></ul><ul><li>Intervals: PR= 120 ms, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: Biphasic Ts in V2-3 suggest possible left main stenosis (Wellen’s) </li></ul>
  102. 102. EKG 51
  103. 103. Answer: EKG 51 <ul><li>Rate: 75 bpm </li></ul><ul><li>Rhythm: Atrial flutter </li></ul><ul><li>Axis: + 53 </li></ul><ul><li>Intervals: No PR, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: T wave inversion in V4-6 c/w possible lateral wall ischemia </li></ul>
  104. 104. EKG 52
  105. 105. Answer: EKG 52 <ul><li>Rate: 38 bpm </li></ul><ul><li>Rhythm: Sinus bradycardia </li></ul><ul><li>Axis: + 17 </li></ul><ul><li>Intervals: PR= 200 ms, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS, LVH, right atrial enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: T wave inversion in I, II, III, aVF, V5-V6 c/w possible inferior lateral wall ischemia </li></ul>
  106. 106. EKG 53
  107. 107. Answer: EKG 53 <ul><li>Rate: 107 bpm </li></ul><ul><li>Rhythm: Sinus tachycardia </li></ul><ul><li>Axis: - 27 </li></ul><ul><li>Intervals: PR= 180ms, QRS= 120 ms </li></ul><ul><li>Morphology: Wide QRS, LVH, IVCD </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: Non specific changes asso w/ LVH </li></ul>
  108. 108. EKG 54
  109. 109. Answer: EKG 54 <ul><li>Rate: 140 bpm </li></ul><ul><li>Rhythm: Multifocal atrial tachycardia </li></ul><ul><li>Axis: -40 </li></ul><ul><li>Intervals: PR= 120-160 ms, QRS <120ms </li></ul><ul><li>Morphology: Narrow QRS, no LVH, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  110. 110. EKG 55
  111. 111. Answer: EKG 55 <ul><li>Rate: 214 bpm </li></ul><ul><li>Rhythm: Ventricular tachycardia </li></ul><ul><li>Axis: +150 </li></ul><ul><li>Intervals: No PR, QRS> 120ms </li></ul><ul><li>Morphology: Wide QRS c/w v-tach </li></ul><ul><li>ST segment: c/w v-tach </li></ul><ul><li>T-waves: c/w v-tach </li></ul>
  112. 112. EKG 56
  113. 113. Answer: EKG 56 <ul><li>Rate: 45 bpm </li></ul><ul><li>Rhythm: Third degree heart block </li></ul><ul><li>Axis: - 5 </li></ul><ul><li>Intervals: No PR, QRS < 120ms </li></ul><ul><li>Morphology: Narrow QRS, LVH, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  114. 114. EKG 57
  115. 115. Answer: EKG 57 <ul><li>Rate: 47 bpm </li></ul><ul><li>Rhythm: Sinus bradycardia w/ ectopic atrial pacemaker </li></ul><ul><li>Axis: -135 </li></ul><ul><li>Intervals: PR= 200ms, QRS> 120ms </li></ul><ul><li>Morphology: Wide QRS, flattened P waves c/w hyperkalemia </li></ul><ul><li>ST segment: c/w hyperkalemia </li></ul><ul><li>T-waves: c/w hyperkalemia </li></ul>
  116. 116. EKG 58
  117. 117. Answer: EKG 58 <ul><li>Rate: 34-70 bpm </li></ul><ul><li>Rhythm: Atrial pacer with failure to capture; PVCs </li></ul><ul><li>Axis: + 19 </li></ul><ul><li>Intervals: PR= 200ms, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  118. 118. EKG 59
  119. 119. Answer: EKG 59 <ul><li>Rate: 72 bpm </li></ul><ul><li>Rhythm: Sinoatrial block </li></ul><ul><li>Axis: + 34 </li></ul><ul><li>Intervals: PR= 200ms, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, LVH, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  120. 120. EKG 60
  121. 121. Answer: EKG 60 <ul><li>Rate: 88 bpm </li></ul><ul><li>Rhythm: Ectopic atrial pacemaker </li></ul><ul><li>Axis: + 72 </li></ul><ul><li>Intervals: PR= 180ms, QRS> 120ms </li></ul><ul><li>Morphology: Wide QRS, no chamber enlargement, RBBB </li></ul><ul><li>ST segment: c/w RBBB </li></ul><ul><li>T-waves: c/w RBBB </li></ul>
  122. 122. EKG 61
  123. 123. Answer: EKG 61 <ul><li>Rate: 115 bpm </li></ul><ul><li>Rhythm: Sinus tachycardia </li></ul><ul><li>Axis: + 61 </li></ul><ul><li>Intervals: PR= 160ms, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  124. 124. EKG 62
  125. 125. Answer: EKG 62 <ul><li>Rate: 89 bpm </li></ul><ul><li>Rhythm: Wandering atrial pacemaker </li></ul><ul><li>Axis: + 45 </li></ul><ul><li>Intervals: PR= 200ms, QRS<120 ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: ST elevation in II, III, aVF, V3-6 with ST depression in aVL, V1-2 c/w acute inferior, anterior, lateral wall infarction and possible septal ischemia </li></ul><ul><li>T-waves: c/w acute inferior, anterior, lateral wall infarction </li></ul>
  126. 126. EKG 63
  127. 127. Answer: EKG 63 <ul><li>Rate: 167 bpm </li></ul><ul><li>Rhythm: Supraventricular tachycardia </li></ul><ul><li>Axis: + 40 </li></ul><ul><li>Intervals: No PR, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB, Q waves in V1-2 c/w possible septal infarction </li></ul><ul><li>ST segment: ST depression in I, II, aVF, V3-6 c/w possible inferior-lateral ischemia </li></ul><ul><li>T-waves: c/w possible inferior-lateral ischemia </li></ul>
  128. 128. EKG 64
  129. 129. Answer: EKG 64 <ul><li>Rate: 214 bpm </li></ul><ul><li>Rhythm: Ventricular tachycardia </li></ul><ul><li>Axis: N/A </li></ul><ul><li>Intervals: No PR, QRS> 120ms </li></ul><ul><li>Morphology: Wide QRS c/w v-tach </li></ul><ul><li>ST segment: c/w v-tach </li></ul><ul><li>T-waves: c/w v-tach </li></ul>
  130. 130. EKG 65
  131. 131. Answer: EKG 65 <ul><li>Rate: 77 bpm </li></ul><ul><li>Rhythm: Dual chamber pacing </li></ul><ul><li>Axis: - 47 </li></ul><ul><li>Intervals: PR= 160 ms, QRS> 120ms </li></ul><ul><li>Morphology: Wide QRS, LVH, LBBB c/w right ventricular pacer </li></ul><ul><li>ST segment: c/w LVH </li></ul><ul><li>T-waves: T inversion in I, aVL, V6 c/w possible lateral wall ischemia </li></ul>
  132. 132. EKG 66
  133. 133. Answer: EKG 66 <ul><li>Rate: 94 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: + 90 </li></ul><ul><li>Intervals: PR= 200ms, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB, R in V2, R/S in V2, V3 approaches 1, c/w posterior wall infarct </li></ul><ul><li>ST segment: ST elevation in II, III, aVF with reciprocal ST depression in I, aVL, V2-6 c/w acute inferior wall infarction </li></ul><ul><li>T-waves: c/w acute posterior and inferior wall infarction </li></ul>
  134. 134. EKG 67
  135. 135. Answer: EKG 67 <ul><li>Rate: 86 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: - 6 </li></ul><ul><li>Intervals: PR= 160 ms, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, LVH, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  136. 136. EKG 68
  137. 137. Answer: EKG 68 <ul><li>Rate: 59 bpm </li></ul><ul><li>Rhythm: Junctional bradhycardia </li></ul><ul><li>Axis: + 90 </li></ul><ul><li>Intervals: No PR, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: ST elevation in V2-3 c/w possible anterior septal ischemia </li></ul><ul><li>T-waves: possible anterior septal ischemia </li></ul>
  138. 138. EKG 69
  139. 139. Answer: EKG 69 <ul><li>Rate: 63 bpm </li></ul><ul><li>Rhythm: Wandering pacemaker </li></ul><ul><li>Axis: + 45 </li></ul><ul><li>Intervals: PR= 140-160, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS </li></ul><ul><li>ST segment: ST elevation in II, aVF, V4-6 with ST depression in V1-2 c/w acute inferior lateral wall infarction </li></ul><ul><li>T-waves: c/w acute inferior lateral wall infarction </li></ul>
  140. 140. EKG 70
  141. 141. Answer: EKG 70 <ul><li>Rate: 100-167 bpm </li></ul><ul><li>Rhythm: SVT with intervention </li></ul><ul><li>Axis: N/A </li></ul><ul><li>Intervals: PR=180, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS </li></ul><ul><li>ST segment: ST depression in aVF </li></ul><ul><li>T-waves: c/w SVT </li></ul>
  142. 142. EKG 71
  143. 143. Answer: EKG 71 <ul><li>Rate: 107 bpm </li></ul><ul><li>Rhythm: Sinus tachycardia </li></ul><ul><li>Axis: +30 </li></ul><ul><li>Intervals: PR=160 ms, QRS<120 ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB, poor R wave progression </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T Wave: Hyperacute T waves c/w hyperkalemia </li></ul>
  144. 144. EKG 72
  145. 145. Answer: EKG 72 <ul><li>Rate: 50 bpm </li></ul><ul><li>Rhythm: Sinus bradycardia </li></ul><ul><li>Axis: - 45 </li></ul><ul><li>Intervals: PR= 160 ms, QRS=120 ms </li></ul><ul><li>Morphology: Wide QRS, no chamber enlargement, RBBB, LAHB </li></ul><ul><li>ST segment: ST elevation in I, aVL, V2,5,6 c/w acute anterior lateral wall MI </li></ul><ul><li>T Wave: biphasic T in V3, nonspecific T inversion in III </li></ul>
  146. 146. EKG 73
  147. 147. Answer: EKG 73 <ul><li>Rate: 100 bpm </li></ul><ul><li>Rhythm: bigemini </li></ul><ul><li>Axis: 0 </li></ul><ul><li>Intervals: PR= 120ms, QRS=80, 120 ms </li></ul><ul><li>Morphology: First QRS narrow followed by wide PVC, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T Wave: No ischemic changes </li></ul>
  148. 148. EKG 74
  149. 149. Answer: EKG 74 <ul><li>Rate: 150 bpm </li></ul><ul><li>Rhythm: A-flutter </li></ul><ul><li>Axis: 0 </li></ul><ul><li>Intervals: No PR, QRS=120 ms, QTc=379 ms </li></ul><ul><li>Morphology: Wide QRS, no chamber enlargement, LBBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T Wave: Non-specific T wave changes associated with LBBB </li></ul>
  150. 150. EKG 75
  151. 151. Answer: EKG 75 <ul><li>Rate: 45 bpm </li></ul><ul><li>Rhythm: Sinus bradycardia </li></ul><ul><li>Axis: -23 </li></ul><ul><li>Intervals: PR=220 ms, QRS<120 ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T Wave: No ischemic changes </li></ul>
  152. 152. EKG 76
  153. 153. Answer: EKG 76 <ul><li>Rate: 167 bpm </li></ul><ul><li>Rhythm: supraventricular tachycardia </li></ul><ul><li>Axis: +45 </li></ul><ul><li>Intervals: No PR, QRS<120 ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB, Q waves in V1-2 </li></ul><ul><li>ST segment: ST depression in I,II, aVF, V3-6 c/s with inferior lateral wall ischemia </li></ul><ul><li>T Wave: c/w inferior lateral wall ischemia </li></ul>
  154. 154. EKG 77
  155. 155. Answer: EKG 77 <ul><li>Rate: 69 bpm </li></ul><ul><li>Rhythm: Bigemini </li></ul><ul><li>Axis: 0 </li></ul><ul><li>Intervals: PR=160 ms, QRS=80, 120 ms </li></ul><ul><li>Morphology: First QRS narrow followed by wide PVC, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T Wave: No ischemic changes </li></ul>
  156. 156. EKG 78
  157. 157. Answer: EKG 78 <ul><li>Rate: 58-68 bpm </li></ul><ul><li>Rhythm: Sinus </li></ul><ul><li>Axis: </li></ul><ul><li>Intervals: PR=160 ms, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: ST elevation in II, III, aVF, V4-6 with reciprocal ST depression V1, V2, aVL c/w acute inferior lateral MI </li></ul><ul><li>T Wave: c/w acute inferior lateral MI </li></ul>
  158. 158. EKG 79
  159. 159. Answer: EKG 79 <ul><li>Rate: 100 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: +104 </li></ul><ul><li>Intervals: PR=140 ms, QRS= 80 ms </li></ul><ul><li>Morphology: Narrow QRS, right atrial enlargement, LAHB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T Wave: No ischemic changes </li></ul>
  160. 160. EKG 80
  161. 161. Answer: EKG 80 <ul><li>Rate: 136 bpm </li></ul><ul><li>Rhythm: Junctional tachycardia </li></ul><ul><li>Axis: -4/12 </li></ul><ul><li>Intervals: No PR, QRS<120 ms </li></ul><ul><li>Morphology: Narrow QRS, LVH, no BBB </li></ul><ul><li>ST segment: No ST elevation or depression </li></ul><ul><li>T Wave: T wave inversion in I, aVL, V6 c/w possible lateral wall ischemia </li></ul>
  162. 162. EKG 81
  163. 163. Answer: EKG 81 <ul><li>Rate: 150 bpm </li></ul><ul><li>Rhythm: A-flutter </li></ul><ul><li>Axis: 0 </li></ul><ul><li>Intervals: No PR, QRS= 160ms </li></ul><ul><li>Morphology: Wide QRS, No chamber enlargement, IVCD, poor R wave progression </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  164. 164. EKG 82
  165. 165. Answer: EKG 82 <ul><li>Rate: 68 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: + 63 </li></ul><ul><li>Intervals: PR= 200 ms, QRS= 200 ms </li></ul><ul><li>Morphology: Wide QRS, no chamber enlargement, RBBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  166. 166. EKG 83
  167. 167. Answer: EKG 83 <ul><li>Rate: 88 bpm </li></ul><ul><li>Rhythm: NSR with PVCs </li></ul><ul><li>Axis: + 18 </li></ul><ul><li>Intervals: PR= 240 ms, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS with wide QRS c/w PVCs </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  168. 168. EKG 84
  169. 169. Answer: EKG 84 <ul><li>Rate: 100 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: - 10 </li></ul><ul><li>Intervals: PR= 160ms, QRS= 120 ms </li></ul><ul><li>Morphology: Wide QRS, LVH, LBBB </li></ul><ul><li>ST segment: Non specific J point elevation and ST depression in I, aVL, V5-6 c/w possible lateral wall ischemia </li></ul><ul><li>T-waves: T inversion in I, aVL, V5-6 c/w possible lateral wall ischemia </li></ul>
  170. 170. EKG 85
  171. 171. Answer: EKG 85 <ul><li>Rate: 96 bpm </li></ul><ul><li>Rhythm: A-fib </li></ul><ul><li>Axis: + 36 </li></ul><ul><li>Intervals: No PR, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  172. 172. EKG 86
  173. 173. Answer: EKG 86 <ul><li>Rate: 102 bpm </li></ul><ul><li>Rhythm: NSR with 2 PACs in between the sinus beats </li></ul><ul><li>Axis: + 35 </li></ul><ul><li>Intervals: PR = 220 ms, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: non-specific flattened T in I, V5-6; T inversion in aVL, V1-4 </li></ul>
  174. 174. EKG 87
  175. 175. Answer: EKG 87 <ul><li>Rate: 167 bpm </li></ul><ul><li>Rhythm: V-Tachycardia </li></ul><ul><li>Axis: N/A </li></ul><ul><li>Intervals: No PR, QRS>120 ms </li></ul><ul><li>Morphology: Wide QRS </li></ul><ul><li>ST segment: c/w V-Tach </li></ul><ul><li>T-waves: c/w V-Tach </li></ul>
  176. 176. EKG 88
  177. 177. Answer: EKG 88 <ul><li>Rate: 75 bpm </li></ul><ul><li>Rhythm: A-Flutter </li></ul><ul><li>Axis: + 53 </li></ul><ul><li>Intervals: No PR, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: c/w a-flutter </li></ul><ul><li>T-waves: c/w a-flutter </li></ul>
  178. 178. EKG 89
  179. 179. Answer: EKG 89 <ul><li>Rate: 67 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: + 41 </li></ul><ul><li>Intervals: PR= 160 ms, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: ST depression in II, III, aVF c/w possible inf wall ischemia </li></ul><ul><li>T-waves: No inversion or flattening </li></ul>
  180. 180. EKG 90
  181. 181. Answer: EKG 90 <ul><li>Rate: 45 bpm </li></ul><ul><li>Rhythm: Junctional bradycardia </li></ul><ul><li>Axis: + 62 </li></ul><ul><li>Intervals: No PR, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: Non-specific biphasic T in V2 </li></ul>
  182. 182. EKG 91
  183. 183. Answer: EKG 91 <ul><li>Rate: 43 bpm </li></ul><ul><li>Rhythm: Sinus bradycardia </li></ul><ul><li>Axis: + 71 </li></ul><ul><li>Intervals: PR= 200 ms , QRS<120 ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul><ul><li>U-wave c/w hypokalemia </li></ul>
  184. 184. EKG 92
  185. 185. Answer: EKG 92 <ul><li>Rate: 94 bpm </li></ul><ul><li>Rhythm: Paced + intrinsic sinus rhythm </li></ul><ul><li>Axis: - 12 </li></ul><ul><li>Intervals: PR= 160ms, QRS= 100-120 </li></ul><ul><li>Morphology: Wide paced QRS, LVH, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: T inversion in I, aVL c/w possible high lateral ischemia </li></ul>
  186. 186. EKG 93
  187. 187. Answer: EKG 93 <ul><li>Rate: 39 bpm </li></ul><ul><li>Rhythm: Third degree heart block </li></ul><ul><li>Axis: + 40 </li></ul><ul><li>Intervals: No PR, QRS>120 ms </li></ul><ul><li>Morphology: Wide QRS, LVH, LBBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  188. 188. EKG 94
  189. 189. Answer: EKG 94 <ul><li>Rate: 136 bpm </li></ul><ul><li>Rhythm: A-fib w/ rapid ventricular response </li></ul><ul><li>Axis: + 31 </li></ul><ul><li>Intervals: No PR, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  190. 190. EKG 95
  191. 191. Answer: EKG 95 <ul><li>Rate: 64 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: + 6 </li></ul><ul><li>Intervals: PR=140 ms, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: ST depression in II, aVF, V3-6 c/w inferior lateral wall ischemia </li></ul><ul><li>T-waves: c/w inferior lateral wall ischemia </li></ul>
  192. 192. EKG 96
  193. 193. Answer: EKG 96 <ul><li>Rate: 43 bpm </li></ul><ul><li>Rhythm: Sinus bradycardia </li></ul><ul><li>Axis: + 68 </li></ul><ul><li>Intervals: PR=180 ms, QRS< 120ms </li></ul><ul><li>Morphology: Narrow QRS, no chamber enlargement, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: No ischemic changes </li></ul>
  194. 194. EKG 97
  195. 195. Answer: EKG 97 <ul><li>Rate: 114 bpm </li></ul><ul><li>Rhythm: MFAT </li></ul><ul><li>Axis: - 70 </li></ul><ul><li>Intervals: PR= 160-200ms, QRS>120 ms </li></ul><ul><li>Morphology: Wide QRS, LVH, RBBB, LAHB </li></ul><ul><li>ST segment: c/w LVH, RBBB, LAHB </li></ul><ul><li>T-waves: c/w LVH, RBBB, LAHB </li></ul>
  196. 196. EKG 98
  197. 197. Answer: EKG 98 <ul><li>Rate: 73 bpm </li></ul><ul><li>Rhythm: NSR with non-conducted ectopic atrial beats </li></ul><ul><li>Axis: - 39 </li></ul><ul><li>Intervals: PR= 200 ms, QRS< 120 ms </li></ul><ul><li>Morphology: Narrow QRS, LVH, no BBB </li></ul><ul><li>ST segment: c/w LVH </li></ul><ul><li>T-waves: c/w LVH </li></ul>
  198. 198. EKG 99
  199. 199. Answer: EKG 99 <ul><li>Rate: 115 bpm </li></ul><ul><li>Rhythm: Sinus tachycardia </li></ul><ul><li>Axis: + 79 </li></ul><ul><li>Intervals: PR= 160ms, QRS<120 ms </li></ul><ul><li>Morphology: Narrow QRS, LVH, no BBB </li></ul><ul><li>ST segment: No ischemic changes </li></ul><ul><li>T-waves: peaked T waves c/w hyperkalemia </li></ul>
  200. 200. EKG 100
  201. 201. Answer: EKG 100 <ul><li>Rate: 94 bpm </li></ul><ul><li>Rhythm: NSR </li></ul><ul><li>Axis: - 20 </li></ul><ul><li>Intervals: PR= 160ms, QRS= 120ms </li></ul><ul><li>Morphology: Wide QRS, no chamber enlargement, LBBB </li></ul><ul><li>ST segment: c/w LBBB </li></ul><ul><li>T-waves: c/w LBBB </li></ul>
  202. 202. EKG 101
  203. 203. Answer: EKG 101 <ul><li>Rate: 75 bpm </li></ul><ul><li>Rhythm: sinus </li></ul><ul><li>Axis: - 130 </li></ul><ul><li>Intervals: PR= < 200 ms , QRS= 100 ms </li></ul><ul><li>Morphology: Narrow QRS with delta wave c/w WPW </li></ul><ul><li>ST segment: diffuse ST depressions </li></ul><ul><li>T-waves: no T wave changes </li></ul>

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