12-Lead Electrocardiography              a comprehensive course                  Adam Thompson, EMT-P, A.S.
Benign Early Repolarization (BER)• BER may present with an appearance of ST-elevation.• Notched J points are the most comm...
Early Repolarization
Early Repolarization
ST-Segment Morphology          Concave• Concave ST-Elevation is generally more                             Convex  benign....
Benign Early Repolarization          • Notched J-Points are            sure indicators of            benign early         ...
Early Repolarization
Early Repolarization
Early Repolarization
Right Bundle Branch Block• A conduction delay due to blockage of the  only right fascicle.• ST-segment usually not altered...
Right Bundle Branch Block
Right Bundle Branch Block
END• More in the next lesson…
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12 ste-mimics part3

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12 ste-mimics part3

  1. 1. 12-Lead Electrocardiography a comprehensive course Adam Thompson, EMT-P, A.S.
  2. 2. Benign Early Repolarization (BER)• BER may present with an appearance of ST-elevation.• Notched J points are the most commonly taught indicator of “early repol”.• The ST-segment morphology is the easiest way to determine malignancy of the finding.• LOOK for reciprocal changes!!!
  3. 3. Early Repolarization
  4. 4. Early Repolarization
  5. 5. ST-Segment Morphology Concave• Concave ST-Elevation is generally more Convex benign. – However, an MI may present with concave ST-Elevation.• Convex ST-Elevation is almost always an indication of an MI. J-Point J-Point
  6. 6. Benign Early Repolarization • Notched J-Points are sure indicators of benign early repolarization
  7. 7. Early Repolarization
  8. 8. Early Repolarization
  9. 9. Early Repolarization
  10. 10. Right Bundle Branch Block• A conduction delay due to blockage of the only right fascicle.• ST-segment usually not altered by the normal T wave discordance of RBBB.• QRS duration > 120 ms with positive terminal QRS deflection in V1.
  11. 11. Right Bundle Branch Block
  12. 12. Right Bundle Branch Block
  13. 13. END• More in the next lesson…
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