Any tachycardic rhythm with a left or right bundle branch block that is NOT ventricular tachycardia is considered "supraventricular tachycardia with aberrancy". This would even include sinus ...

This ECG has a narrow QRS complex initally ... the rhythm with the options being ventricular tachycardia or supraventricular tachycardia (SVT) with aberrancy (left bundle). There are no Brugada ...

Ablation of supraventricular tachycardia in elderly persons presents a challenging problem to electrophysiologists. Friable cardiac structures, prone to catheter perforation, comorbid ...

The middle cardiac vein is tagged and located by the fluoroscopic appearance of the catheter tip being wedged, a larger ventricular electrogram, and continuous impedance measurements. The right ...