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Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
Ec gs  for medical student
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Ec gs for medical student

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Transcript

  • 1. All what you need to know about EKG
  • 2. Each lead looks at the heart
  • 3. Normal waves and segments
  • 4. Reading ECG Rhythm Rate Axis Chamber enlargement Ischemia ( ST, T, Q and LBBB) Intervals( PR, QRS, QT) Conclusion
  • 5. Normal ECG Each P is followed by QRS P wave is + in I and AVL Rate is between 60-100 P wave is less than 2.5 mm in height and less than 0.11 mm in width PR interval 0.12-0.2 mm Normal QRS less 0.12 mm Normal QT is 0.42 mm Normal ST is isoelectric with PR or TP
  • 6. Axis both I and aVF +ve = normal axis both I and aVF -ve = axis in the Northwest Territory lead I -ve and aVF +ve = right axis deviation lead I +ve and aVF -ve lead II +ve = normal axis lead II -ve = left axis deviation
  • 7. Rate  Or 300 divided by the number of the large squares divided  Or number of the QRSs multiplied by 10 (AF)
  • 8. Right atrial enlargement P wave 3 mm ( 3 small squares) or greater in height in inferior leads P wave 1.5 mm (1.5 small squares ) or greater in lead V1 The P wave has a sharp and peaked appearance
  • 9. Left atrial enlargement P wave notched and exceeds 120 ms ( 3 small squares) in the inferior leads The negative terminal component of P wave in V1 exceeds 40 ms ( 1 small squares )
  • 10. Left ventricular hypertrophy S in lead V1 plus R in either V5 or V6 greater than 35 mm R wave in lead aVL greater than 11 mm
  • 11. Right ventricular hypertrophy Right axis deviation Dominant R in V1 RAE R wave 7 mm ( 7 small squares) or greater
  • 12. 38 y M with CP
  • 13. 67y F HD CP at 0400am
  • 14. 65 y M with 1h CP
  • 15. 45y M CP for 13 h vitals stable
  • 16. 59 y F with 5h CP
  • 17. 56 y M with 3h CP
  • 18. 45 y M with 3h CP
  • 19. 62 y F with 45 min CP
  • 20. 59 y F 4h CP and BP 65/40
  • 21. 63 y F 5h CP BP 64/32

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