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Inappropriate ICD shocks caused by T-wave oversensing due to acute alcohol intoxication
Suraj P Rasania1, Stavros Mountantonakis, Vickas V Patel
1Department of Internal Medicine, Seton Hall University School of Heath & Medical Sciences, Trenton, New Jersey, USA.
Abstract:
T-wave oversensing can be a serious problem that often results in inappropriate device therapy. We report here a patient with binge alcohol use who received multiple, inappropriate ICD shocks due to T-wave oversensing from repolarization changes induced by acute alcohol intoxication and no other relevant metabolic derangements. Following recovery from his alcohol intoxication a few days later, the T-wave amplitude decreased so the device no longer inappropriately sensed or delivered therapies. This case represents an uncommon, but reversible, cause of T-wave oversensing that should be considered before more aggressive measures are taken to correct the abnormality.
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