Inappropriate ICD discharge due to T-wave oversensing in a patient with the Brugada syndrome.
Accurate sensing is an essential requirement for appropriate functioning of implantable cardioverter-defibrillator (ICD). T-wave oversensing remains as an annoying problem in currently available ICD. The Brugada syndrome with its inherent dynamic variations in electrophysiologic phenomena may complicate ICD therapy. We report a patient with diagnosis of Brugada syndrome who presented with frequent inappropriate therapy due to intermittent T-wave oversensing. This problem could not be eliminated by device reprogramming and necessitated implantation of a new sense/pace lead.
Alizadeh
Abolfath
A
Department of Pacemaker and Electrophysiology, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran. Alizadeh_73@yahoo.com
Haghjoo
Majid
M
Arya
Arash
A
Fazelifar
Amir Farjam
AF
Alasti
Mohammad
M
Bagherzadeh
Ata Alah
AA
Sadr-Ameli
Mohammad Ali
MA