199 results
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
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Arrhythmias • Atrial ... fibrillation with ... ventricular response • Atrial ... Escape Rhythm • Atrial ... Arrhythmias #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 ... (PST), Focal Atrial ... ), Multifocal Atrial ... Diagnosis #Causes #cardiology
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Orthodromic AVRT, Atrial ... Tachycardia, Atrial ... fibrillation, Atrial ... , Atrial fibrillation ... Differential #Diagnosis #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
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Atrial flutter ... • Atrial tachycardia ... Irregular: • Atrial ... • Multifocal atrial ... Atrial flutter
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Tachycardia (MAT ... #Multifocal #Atrial ... #Cardiology #Diagnosis ... #ECG #EKG #Management
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
Supraventricular tachycardia (SVT) is an abnormally fast heart rhythm arising from improper electrical activity in upper
four main types: atrial ... fibrillation, paroxysmal ... (PSVT), atrial ... Clinical #MedStudent #Cardiology ... #EKG #SVT #SupraVentricularTachycardia