24 results
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
, Atrial Tachycardia ... , AVRT (ie. ... WPW), AVnRT (ie ... , Antidromic AVRT ... #cardiology #wide
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
Atrial Tachycardia ... AV Reentry Tachycardia ... Pathophysiology #SVT ... #diagnosis #cardiology ... conduction #pathways #avnrt
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... ddx: AVNRT, AVRT ... , atrial tachycardia ... tachycardia (SVT ... #cardiology
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
- Differential Diagnosis ... , AVNRT, Orthodromic ... AVRT, Atrial Tachycardia ... block, Antidromic AVRT ... #cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
"PSVT" (atrioventricular ... retrograde) - AVNRT ... , AVRT, Junctional ... #differential #diagnosis ... #causes #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... (AVRT), AV nodal ... (AVNRT) • Ventricles ... #Differential #Diagnosis ... #Causes #cardiology
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
Lead aVR on EKG ... TCA-like overdose - AVRT ... Brugada criteria) #Diagnosis ... #Cardiology #EKG ... #ECG #Lead #AVR
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... Aflutter • AVNRT ... • AVRT (ie ... tachyarrhythmias #Cardiology ... #Algorithm #causes
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
Diagnosis Framework ... , AVNRT, AVRT, Atrial ... : Atrial Fibrillation ... #Diagnosis #Management ... #cardiology
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Tachycardia with ... 2:1 AV Block • ... Bidirectional Ventricular ... #Arrhythmias #diagnosis ... #cardiology #ecg