16 results
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
Pacemaker Placement ... • Third degree block ... unclear origin • Sinus ... #Indications #PPM ... #cardiology #management
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• During sinus ... • In sinus rhythm ... by a junctional pacemaker ... an infra-Hisian pacemaker ... #AVBlock #cardiology
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
Third Degree AV Block ... Complete Heart Block ... • In sinus rhythm ... with complete AV block ... #Complete #cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
normal • The PP ... arrhythmia is noted in ... presence of AV block ... • The change in ... #Arrhythmia #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Syndrome • SA Block ... • AV Block (ISt ... de Pointes if in ... tachyarrhythmias #Cardiology
Pacemaker Indications
Class I
 • Symptomatic sinus node dysfunction
 • 3° AV or type 2 2° AV
Pacemaker Indications ... or type 2 2° AV block ... or Type 1 2° AV block ... #PPM #indications ... #cardiology #management
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- w/ variable block ... different P waves in ... (3) SA node block ... - Proximal AV block ... QRS - Distal AV block
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
normal • The PP ... arrhythmia is noted in ... presence of AV block ... • The change in ... #Arrhythmia #cardiology
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Differential Diagnosis Algorithm ... : • Sick Sinus ... /3rd degree AV Block ... • Pacemaker ... Syndrome #Syncope #Cardiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
II (3) 60-100 bpm ... ) - HiPR: AV block ... ectopic atrial pacemaker ... leads rsr'), V-pacemaker ... electrocardiogram #cardiology