S3M3 ECG

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Author:
sweetlu
ID:
163428
Filename:
S3M3 ECG
Updated:
2012-08-07 12:13:21
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S3M3 ECG
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Description:
S3M3 ECG
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  1. R>27mm in V5 or V6
    LVH
  2. S (V1) + R (V5 or V6) > 35mm
    LVH- most likely ECG presentation
  3. ST depression and T wave inversion
    • Ischemia  
    • Infarction
    • Strain pattern of LVH (increased depol time of thickened LV wall==> endocardium repolarizing in opposite order==> inverter T wave)
  4. R V1> 5mm
    RVH
  5. R V1> S V1
    RVH
  6. P > 0.12 s (3 small quares)
    LAH
  7. P II > 3 mm
    RAH
  8. rabbit ears (M shape) P wave
    LAH (P mitrale)
  9. biphasic/ sinusoidal P wave in V1 with negative wave > 1mm
    LAH
  10. Q wave > 0.04s or > 1/3 of R
    transmural infarction
  11. ECG signs in infarct 3-4 days old
    ST elevation
  12. EGC signs in infarct months old
    T wave inversion
  13. ECG signs in infarct years old
    Q waves
  14. loss of R wave
    partial thickness infarct
  15. widespread ST elevation
    Pericarditis
  16. QRS > .12s and RSR pattern in V1 (and right sided leads)
    RBBB
  17. QRS > .12s + RSR pattern in V6 (in left sided leads)
    LBBB
  18. left axis deviation + small q laterall
    L anterior hemiblock
  19. right axis devation + small q inferiorly
    L posterior hemiblock
  20. U wave (after T wave) + long QT 
    II, III, V4-V6
    hypokalemia
  21. Tall T + smaller P + widened QRS
    • severe hyperkalemia
    • ==> VT and VFib
  22. irregularly irregular rhythm
    Afib
  23. no discernable P waves
    Afib
  24. atrial rate ~ 300 BPM with normal V rate
    atrial flutter
  25. saw tooth P waves
    A flutter
  26. PR > 0.2s (or 0.24s)
    1st degree AV block
  27. PR > .20 sec and constant with random QRS drop
    mobitz type 2 (BoH)
  28. progressive PR lengthening followed by dropped beat
    Mobitz type 1 (AV block)
  29. HR= 150-300, no P, ST or T, arrest
    VFlutter
  30. HR= 150-500, chaotic, mutifocal, arrest
    VFib

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