45 results
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
fibrillation with ... Fibrillation with ... Tachycardia with ... :1 AV Block • Bidirectional ... #ecg #ekg #electrocardiogram
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
through SA Node, Atrium ... • Atrial Tachycardia ... • Atrial Flutter ... • Atrial Fibrillation ... SVT #diagnosis #cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Atrial fibrillation ... Multifocal Atrial ... Atrial flutter ... (Ectopic) Atrial ... diagnosis #causes #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Atrial Contractions ... (PACs), Atrial ... Fibrillation (AF ... ), Ventricular Fibrillation ... Diagnosis #Causes #cardiology
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Tachycardia, Atrial ... fibrillation, Atrial ... tachycardia • ... , Atrial fibrillation ... Differential #Diagnosis #cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Atrial flutter ... • Atrial tachycardia ... fibrillation ... • Ventricular fibrillation ... Algorithm #Causes #cardiology
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
, Atrial Tachycardia ... , Atrial Flutter ... Fibrillation, Multifocal ... Atrial Tachycardia ... Differential #Diagnosis #cardiology
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Tachycardia (MAT ... #Tachycardia #MAT ... #Cardiology #Diagnosis ... #ECG #EKG #Management
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... Tachycardia (MAT ... MAT #Multifocal #Atrial ... #Tachycardia #diagnosis ... #cardiology #EKG
Comparison of Multifocal Atrial Tachycardia, Atrial Fibrillation and Atrial Flutter
Multifocal Atrial Tachycardia - Atrial Rate >
Tachycardia, Atrial ... Fibrillation and ... Tachycardia - Atrial ... Fibrillation - ... Comparison #Diagnosis #Cardiology