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Morphological Criteria for Discriminating Ventricular Tachycardia from Supraventricular Tachycardia with Aberration

Source Article: Wide Complex Tachycardia –
Morphological Criteria ... Distinguishing #Criteria ... #Cardiology #ECG ... #EKG #Electrocardiogram ... #VTach #SVT #Differences
Wide Complex Tachycardia - Differential Diagnosis Algorithm
Irregular
 • Polymorphic VT
    - Torsades
Wide Complex Tachycardia ... - Differential ... - V-Paced Tachycardia ... #Differential # ... Algorithm #WCT #cardiology
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Tachycardia - Differential ... WPW), AVnRT (ie SVT ... Any irregular SVT ... #Differential # ... Diagnosis #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
elevation: Differential ... tachycardia (SVT ... than Brugada criteria ... #leadAVR #ecg #electrocardiogram ... #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... : • ST vs SVT ... Don't rely on criteria ... #Differential # ... Irregular #causes #cardiology
Wide Complex Tachycardia - ECG Definition and Causes
 • Wide Complex Tachycardia (WCT) is a cardiac
(SVT) - with ... Ventricular pacing • Electrocardiogram ... WCT #diagnosis #cardiology ... #ekg #ecg #electrocardiogram ... #definition #differential
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
narrow complex tachycardias ... from SVT with aberrancy ... in wide complex tachycardias ... using the Vereckei criteria ... #Diagnosis #Cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... Sinus tachycardia ... "PSVT" (atrioventricular ... #differential # ... diagnosis #causes #cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
- Differential ... • Regular SVT ... • Irregular SVT ... #Differential # ... Algorithm #Causes #cardiology
Supraventricular Tachycardia Differential Diagnosis
Sinus Tachycardia
Sinus Node Re-entry Tachycardia
Unifocal Atrial Tachycardia
Junctional Tachycardia
Multifocal Atrial Tachycardia (MAT)

- EB Medicine
Differential Diagnosis ... Sinus Tachycardia ... #Differential # ... Diagnosis #causes #svt ... #cardiology