9 results
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
Pacemaker Placement ... induced 2nd or 3rd ... unclear origin • Sinus ... #Indications #PPM ... #cardiology #management
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Syndrome • SA Block ... • AV Block (ISt ... /2nd /3rd degree ... tachyarrhythmias #Cardiology
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• During sinus ... by a junctional pacemaker ... an infra-Hisian pacemaker ... #AVBlock #cardiology ... electrocardiogram #classification
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
• In sinus rhythm ... by a junctional pacemaker ... an infra-Hisian pacemaker ... #ThirdDegree #3rd ... AVBlock #Complete #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Treatment: Pacemaker ... 3rd Degree, Complete ... • Treatment: Pacemaker ... HeartBlocks #Types #Classification ... electrocardiogram #ecg #cardiology
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
: • Sick Sinus ... Node) • 2nd/3rd ... degree AV Block ... • Pacemaker ... Syndrome #Syncope #Cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
normal • The PP ... presence of AV block ... Wandering Atrial Pacemaker ... several cycle the pacemaker ... #Arrhythmia #cardiology
Pacemaker Indications
Class I
 • Symptomatic sinus node dysfunction
 • 3° AV or type 2 2° AV
Pacemaker Indications ... • Symptomatic sinus ... or type 2 2° AV block ... #PPM #indications ... #cardiology #management
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
normal • The PP ... presence of AV block ... Wandering Atrial Pacemaker ... several cycle the pacemaker ... #Arrhythmia #cardiology