6 results
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Prolonged PR ... • Prolonged PR ... PR shorted after ... HeartBlocks #Types #Classification ... Diagnosis #EKG #electrocardiogram
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... Blockers: • MOA: Block ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... depolarization • ↑ PR ... primarily) and block ... velocity) - ↑ PR ... #Pharmacology #Classification
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
PR interval ... There is constant PR ... • The PR interval ... ecg #diagnosis #electrocardiogram ... #classification
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... not in aVL • PR-segment ... Bundle Branch Block ... bundle-branch block ... cardiology #ecg #ekg #electrocardiogram
This infographic provides a mnemonic tool called “WOBBLER” for assessing an ECG (electrocardiogram) in cases of
assessing an ECG (electrocardiogram ... ) in cases of syncope ... evaluate potential causes ... ECG Section: P, PR ... • ECG Section: PR