5 results
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart ... Treatment 2nd Degree ... , Mobitz I Heart ... , Mobitz II HeartBlock ... HeartBlocks #Types #Classification
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
with prolonged PR ... AV Block - Mobitz ... AV Block - Mobitz ... with progressive PR ... independently of the atria leading
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
2nd degree block ... I or II • Mobitz ... • Mobitz II + ... arrest, prolonged PR ... • Reversible causes
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
PR interval ... Mobitz I / Wenckebach ... aka Mobitz II) ... There is constant PR ... electrocardiogram #classification
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification ... #Classes #pathophysiology