5 results
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Summary of Heart Blocks ... Block: • Prolonged ... Mobitz I Heart Block ... #electrocardiogram ... #ecg #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- w/ variable block ... (3) SA node block ... rhythms (5) AV block ... - Proximal AV block ... QRS - Distal AV block
Mobitz Type I (Wenckebach Phenomenon) 2nd Degree AV Block on EKG
 • P-R interval gradually increases
AV Block on EKG ... till a dropped beat ... #AV #Block #AVBlock ... #diagnosis #cardiology ... #EKG #ECG #Electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
assoc with 1K, AV block ... Trifascicular block ... see below), 1st degree ... heart block Long ... #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Bundle Branch Block ... bundle-branch block ... Disorders: • Hyperkalemia ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram