29 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 ... Pathophysiology #SVT #diagnosis
Comparison of Multifocal Atrial Tachycardia, Atrial Fibrillation and Atrial Flutter
Multifocal Atrial Tachycardia - Atrial Rate >
Tachycardia, Atrial ... Atrial Tachycardia ... Flutter - Atrial ... #Comparison #Diagnosis ... #Cardiology #Electrocardiogram
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 ... #differential #diagnosis
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
Typical (Clockwise) Atrial ... Counterclockwise) Atrial ... Typical (Clockwise) Atrial ... #ecg #ekg #electrocardiogram ... cardiology #clinical #diagnosis
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... Atrial Contractions ... (PACs), Atrial ... Flutter (AFL), Atrial ... #Differential #Diagnosis
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
- Differential Diagnosis ... Tachycardia, Atrial ... flutter, Junctional ... flutter w/ variable ... #Differential #Diagnosis
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Diagnosis Framework ... , Atrial Tachycardia ... , Atrial Flutter ... ), Atrial Flutter ... #Differential #Diagnosis
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
Isthmus Independent Atrial ... atrial activity ... #Flutter #aflutter ... #ecg #ekg #electrocardiogram ... cardiology #clinical #diagnosis
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
- Differential Diagnosis ... • Atrial flutter ... • Atrial tachycardia ... Atrial flutter ... #Differential #Diagnosis
Atrial Flutter on EKG
 • Regularly-occurring atrial activity
 • ≥ 240 atrial depolarizations (i.e. flutter waves)
Atrial Flutter on ... Regularly-occurring atrial ... #Flutter #aflutter ... #ecg #ekg #electrocardiogram ... cardiology #clinical #diagnosis