The His bundle electrograms are marked, particularly the more proximal ones (large atrial electrograms with smaller His electrograms). The roof and floor of the coronary sinus are then tagged. The ...

Atrioventricular nodal reentrant tachycardia (AVNRT) is a common supraventricular arrhythmia that arises due to a reentrant circuit located in or near the atrioventricular node. This condition ...

AVNRT commonly affects young, healthy women without structural heart disease. 5 Common tachycardic risk factors include drug induction, caffeine, prior history of heart disease, alcohol use, stress, ...

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