Dr. Smith's ECG Blog

SEPTEMBER 7, 2020

The Differential Diagnosis is: SVT with aberrancy(#) [AVNRT vs. WPW (also called AVRT*)] Atrial flutter with 1:1 conduction, with aberrancy VT coming from the anterior fascicle ( fascicular VT )@ *AVRT = AV Reciprocating Tachycardia (Tachycardic loop that uses both the AV node and an accessory pathway.

Tachycardia 52

Tachycardia Heart Disease Dysrhythmia Ablation 52

Dr. Smith's ECG Blog

MARCH 6, 2020

The absence of any wall motion abnormality makes ischemic cardiomyopathy very unlikely. There is atrial activity before every QRS, but that activity has negative polarity, so it is not sinus rhythm. The new onset cardiomyopathy was thought to be due to both drug/alcohol use and to Tachycardia-Induced Cardiomyopathy.

Heart Failure 52

Heart Failure Tachycardia Atrial Flutter Cardiomyopathy 52

Dr. Smith's ECG Blog

MARCH 6, 2025

Sinus tach is often misinterpreted as a dysrhythmia. Possible but, again, the QRS morphology is atypical 3) Atrial Flutter with 2:1 conduction and "aberrancy". I do not see flutter wave baseline, and again the QRS morphology is not typical for a supraventricular rhythm. 2) PSVT with "aberrancy" (atypical RBBB+LAFB).

Tachycardia 95

Tachycardia Dysrhythmia ICU Pulmonary 95