Radiofrequency catheter ablation therapy of swallowing-induced atrioventricular nodal reentrant tachycardia: report of two cases.
We describe two patients who presented with a history of recurrent palpitations on swallowing of solid food. The event-recorder and Holter monitoring documented episodic supraventricular tachycardia (SVT) initiated by atrial premature contractions (APCs). During electrophysiological study (EPS), swallowing of solid food consistently induced APCs and their activation sequence, morphology of P wave were suggestive of their right atrial origin in them. Drug challenge did not affect the APC onset during the swallowing. During EPS, slow-fast variety of atrioventricular nodal reentrant tachycardia (AVNRT) was induced and successful radiofrequency (RF) catheter ablation of slow pathway resulted in total relief of their symptoms.
Satish
Oruganti Sai
OS
Nizam's Institute of Medical Sciences, Hyderabad, India.
Yeh
San-Jou
SJ
Yeh
Kuan-Hung
KH
Wen
Ming-Shien
MS
Wang
Chun-Chieh
CC
Chou
Chung-Chuan
CC
Wu
Delon
D
D017115:Catheter Ablation; D003679:Deglutition; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013611:Tachycardia, Atrioventricular Nodal Reentry / Q000209:etiology* / Q000601:surgery*