31 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
- Pathophysiology ... • Atrial Tachycardia ... • Atrial Flutter ... #SVT #diagnosis ... #cardiology #conduction
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Atrial fibrillation ... A regular rhythm ... Atrial flutter ... #differential #diagnosis ... #causes #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... Junctional escape rhythm ... Flutter (AFL), Atrial ... #Differential #Diagnosis ... #Causes #cardiology
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
- Differential Diagnosis ... Tachycardia, Atrial ... , Atrial flutter ... #Differential #Diagnosis ... #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... • Aflutter ... tachyarrhythmias #Cardiology ... #Differential #Diagnosis ... #Algorithm #causes
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Diagnosis Table ... whether AF is cause ... LBBB or identical morphology ... #Differential #Diagnosis ... #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Regular Rhythm: ... atrial tachycardia ... Treat underlying cause ... Irregular Rhythm ... Treatment #management #cardiology
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Accelerated Escape Rhythm ... • Atrial Tachycardia ... Bidirectional Ventricular Tachycardia ... #Arrhythmias #diagnosis ... #cardiology #ecg
A Summary slide of Sinoatrial Rhythms 
 • Sinus Rhythm
 • Sinus Arrhythmia
• Sinus Rhythm ... atrial tachycardia ... #differential #diagnosis ... #cardiology #ekg ... #ecg
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... Tachycardia (MAT ... Irregularly irregular rhythm ... #Tachycardia #diagnosis ... #cardiology #EKG