scholarly journals Conduction block in myelinated axons induced by high-frequency (kHz) non-symmetric biphasic stimulation

2015 ◽  
Vol 9 ◽  
Author(s):  
Shouguo Zhao ◽  
Guangning Yang ◽  
Jicheng Wang ◽  
James R. Roppolo ◽  
William C. de Groat ◽  
...  
Keyword(s):  
High Frequency ◽  
Conduction Block ◽  
Myelinated Axons

scholarly journals Ventricular Tachycardia Originating from Moderator Band: New Perspective on Catheter Ablation

2017 ◽  
Vol 2017 ◽  
pp. 1-4 ◽  
Author(s):  
Jin-yi Li ◽  
Jing-bo Jiang ◽  
Yan He ◽  
Jian-chun Luo ◽  
Guo-qiang Zhong
Keyword(s):  
Ventricular Tachycardia ◽  
Catheter Ablation ◽  
Sinus Rhythm ◽  
High Frequency ◽  
Conduction Block ◽  
Distal Catheter ◽  
Long Duration ◽  
Moderator Band ◽  
Radiofrequency Current ◽  
New Perspective

A 59-year-old woman was referred to the institution with burdens of idiopathic ventricular tachycardia (IVT). Electroanatomic mapping revealed a complex fractionated, high frequency potential with long duration preceding the QRS onset of the IVT. The real end point of ablation was the disappearance of the conduction block of Purkinje potential during the sinus rhythm besides the disappearance of the inducible tachycardia. Location of distal catheter was at the moderator band (MB) by transthoracic echocardiography (TTE). Only irrigated radiofrequency current was delivered at both insertions of the MB which can completely eliminate the IVT.

scholarly journals Electrical conduction block in large nerves: High-frequency current delivery in the nonhuman primate

2011 ◽  
Vol 43 (6) ◽  
pp. 897-899 ◽  
Author(s):  
D. Michael Ackermann ◽  
Christian Ethier ◽  
Emily L. Foldes ◽  
Emily R. Oby ◽  
Dustin Tyler ◽  
...  
Keyword(s):  
Electrical Conduction ◽  
Nonhuman Primate ◽  
High Frequency ◽  
Conduction Block ◽  
High Frequency Current ◽  
Frequency Current
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