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

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Atrial fibrillation ... Multifocal Atrial ... Atrial flutter ... #differential #diagnosis ... #causes #cardiology
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
fibrillation with ... Fibrillation with ... Tachycardia with ... #Arrhythmias #diagnosis ... #cardiology #ecg
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... Fibrillation (AF ... ), Ventricular Fibrillation ... #Differential #Diagnosis ... #Causes #cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... - Differential Diagnosis ... • Atrial tachycardia ... fibrillation ... #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
Flecainide Toxicity on ECG

70 year old patient with chronic atrial fibrillation on an antiarrhythmic presented with
70 year old ... patient with chronic atrial ... fibrillation on ... presented with nausea ... #Cardiology #Clinical
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
- Differential Diagnosis ... Tachycardia, Atrial ... fibrillation, Atrial ... , Atrial fibrillation ... #cardiology
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Diagnosis Framework ... , Atrial Tachycardia ... Fibrillation, Multifocal ... Atrial Tachycardia ... #cardiology #wide
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... FIBRILLATION ... • ATRIAL TACHYCARDIA ... #Differential #Diagnosis ... #Cardiology