6 results
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
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart ... Brady Management ... • Treatment: Pacemaker ... • Treatment: Pacemaker ... HeartBlocks #Types #Classification
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... • 2nd/3rd degree ... AV Block ... • Pacemaker Malfunction ... • Tachy-Brady
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Summary First Degree ... Second Degree AV ... by a junctional pacemaker ... an infra-Hisian pacemaker ... electrocardiogram #classification
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs - Syncope ... Electrolytes • ↑K - brady ... see below), 1st degree ... heart block Long ... Wong @mchlwng #Syncope
Causes of Syncope - Differential Diagnosis Algorithm
Cardiac - Arrhythmia:
 • Tachyarrhythmia
 • Bradyarrhythmia
 • Supraventricular Tachycardia
Causes of Syncope ... Differential Diagnosis Algorithm ... • Second/Third Degree ... Atrioventricular Block ... Differential #Diagnosis #Algorithm