Open AccessThe inferior displacement of the His bundle and fast pathway in a patient with common type atrioventricular nodal tachycardia: Three‐dimensional computed tomography analysis
Author(s) -
Kiuchi Kunihiko,
Fukuzawa Koji,
Shumpei Mori,
Nishii Tatsuya
Publication year - 2017
Publication title -
journal of arrhythmia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.463
H-Index - 21
eISSN - 1883-2148
pISSN - 1880-4276
DOI - 10.1016/j.joa.2016.07.009
Subject(s) - medicine , palpitations , cardiology , nodal , tachycardia , ostium , catheter ablation , ablation , coronary sinus , sinus rhythm , computed tomography , radiofrequency ablation , atrioventricular block , junctional rhythm , bundle of his , electrocardiography , radiology , atrial fibrillation , electrical conduction system of the heart
A 66‐year‐old woman with palpitations was referred to our center for catheter ablation due to drug‐refractory, common type atrioventricular nodal tachycardia (AVNRT). A selective slow pathway ablation was attempted. A fast junctional rhythm with transient ventriculoatrial block followed by transient prolongation of the A–H interval occurred immediately after the radiofrequency (RF) application at the coronary sinus ostium (CSOS) level. To assess the location of the fast pathway and His bundle, we sought to visualize the anatomy of the triangle of Koch (TOK) by three‐dimensional computed tomography (CT).