5 results
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Summary of Heart ... Blocks 1st Degree ... Brady Management ... HeartBlocks #Types #Classification ... #degrees #summary
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
Pacemaker Placement ... Class I: • Third degree ... 2nd degree block ... origin • Sinus brady ... BrighamMedRes #Pacemaker
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Diagnosis Summary ... by a junctional pacemaker ... an infra-Hisian pacemaker ... electrocardiogram #classification ... #summary
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Differential Diagnosis Algorithm ... • 2nd/3rd degree ... AV Block ... • Pacemaker Malfunction ... • Tachy-Brady
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology Summary ... Transient K+ efflux moving ... Vaughan Williams Classification ... : • MOA: Block ... #Pharmacology #Classification