Identification of the Slow Conduction Zone in a Macroreentry Circuit of Verapamil-Sensitive Idiopathic Left Ventricular Tachycardia Using Electroanatomic Mapping

2012 ◽  
Vol 23 (8) ◽  
pp. 840-845 ◽  
Author(s):  
JIANMIN CHU ◽  
YUFA SUN ◽  
YINGJIE ZHAO ◽  
WEI WEI ◽  
JING WANG ◽  
...  
Keyword(s):  
Ventricular Tachycardia ◽  
Left Ventricular ◽  
Electroanatomic Mapping ◽  
Idiopathic Left Ventricular Tachycardia ◽  
Slow Conduction ◽  
Conduction Zone

scholarly journals New implications for the recurrence mechanism of an upper septal ventricular tachycardia: a case report

2019 ◽  
Vol 3 (2) ◽  
Author(s):  
Junji Yamaguchi ◽  
Yasutoshi Nagata ◽  
Yasuteru Yamauchi ◽  
Kenzo Hirao
Keyword(s):  
Ventricular Tachycardia ◽  
Catheter Ablation ◽  
Left Ventricular ◽  
Common Type ◽  
Idiopathic Left Ventricular Tachycardia ◽  
Case Summary ◽  
Slow Conduction ◽  
Left Posterior ◽  
Proximal Site ◽  
The Us

Abstract Background Verapamil-sensitive fascicular ventricular tachycardia (VT) is the most common type of idiopathic left ventricular tachycardia, and it is divided into three types. Upper septal ventricular tachycardia (US-VT) is likely in patients with prior episodes of left posterior fascicular (LPF)-VT ablation, however, little is known about the recurrence mechanism of US-VT. Case summary A 53-year-old man had an US-VT after two catheter ablation sessions for a common idiopathic LPF-VT. The US-VT was successfully treated by ablating the proximal site of the LPF without making any further branch or fascicular block. This successful ablation point corresponded completely with the earliest pre-systolic potential (P2) site of the LPF-VT during the 1st session of catheter ablation. Discussion An US-VT recurrence could occur if a critical slow conduction is not affected by the catheter ablation. This recurrence might be the result of changing the re-entrant circuit after damage to the LPF. In order to eliminate the LPF-VT and prevent an US-VT recurrence, the earliest P2 site should be investigated carefully and ablated sufficiently.

Characteristics of slow conduction zone demonstrated during entrainment of idiopathic ventricular tachycardia of left ventricular origin

1996 ◽  
Vol 77 (5) ◽  
pp. 379-383 ◽  
Author(s):  
Ken Okumura ◽  
Hiroshige Yamabe ◽  
Takeshi Tsuchiya ◽  
Toshifumi Tabuchi ◽  
Atsushi Iwasa ◽  
...  
Keyword(s):  
Ventricular Tachycardia ◽  
Left Ventricular ◽  
Idiopathic Ventricular Tachycardia ◽  
Slow Conduction ◽  
Conduction Zone

Evaluation of left ventricular false tendons in children with idiopathic left ventricular tachycardia

2018 ◽  
Vol 41 (9) ◽  
pp. 1143-1149
Author(s):  
Anthony Merlocco ◽  
David W. Brown ◽  
Kimberlee Gauvreau ◽  
Douglas Y. Mah ◽  
John K. Triedman ◽  
...  
Keyword(s):  
Ventricular Tachycardia ◽  
Left Ventricular ◽  
Idiopathic Left Ventricular Tachycardia

scholarly journals 745-3 New Observations in Idiopathic Left Ventricular Tachycardia

1995 ◽  
Vol 25 (2) ◽  
pp. 188A
Author(s):  
Luz-Maria Rodriguez ◽  
Joep L.R.M. Smeets ◽  
Yash Lokhandwala ◽  
Harry J.G.M. Crijns ◽  
Helen Hatzinikolaou ◽  
...  
Keyword(s):  
Ventricular Tachycardia ◽  
Left Ventricular ◽  
Idiopathic Left Ventricular Tachycardia
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