7 results
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
Bundle Branch Block ... - Ventricular ... JTInterval #QTc #electrocardiogram ... #pathophysiology ... #ekg #ecg #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Atrial rate > Ventricular ... Regular ventricular ... HeartBlocks #Types #Classification ... Diagnosis #EKG #electrocardiogram ... #ecg #cardiology
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Wave Inversions - Differential ... Left or right ventricular ... bundle branch block ... Diagnosis #Causes #Cardiology ... #ECG #EKG #Electrocardiogram
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Phases: Phase 0 - Ventricular ... efflux • Delays ventricular ... Vaughan Williams Classification ... #Pharmacology #Classification ... #Classes #pathophysiology
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
aka Ventricular ... atrioventricular #blocks #AVBlock ... #cardiology #ekg ... ecg #diagnosis #electrocardiogram ... #classification
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- w/ variable block ... (3) SA node block ... - ventricular pacemaker ... EKG #diagnosis #electrocardiogram ... #cardiology #differential
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... V5-6 • Left Ventricular ... prominent T waves • Ventricular ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram