title: The "Pain wave": P‑wave oversensing in subcutaneous ICD.
abstract: A 46-year old man was implanted with a totally subcutaneous implantable defibrillator, after having a documented episode of cardiac arrest due to idiopathic ventricular fibrillation. During the 4‑month follow-up, an episode of inappropriate triple counting due to P‑ and T‑wave oversensing was detected. Although preoperative screening, high detection rates, and the INSIGHT(TM) discrimination algorithm have reduced the incidence of oversensing-related implantable cardioverter defibrillator (ICD) shocks, continuous evaluation of appropriate sensing vectors at rest, during positional maneuver, and exercise, seems to be mandatory at each follow-up visit.
authors.affiliation: Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg-Str.1, 30625, Hannover, Deutschland.
authors.forename: Badder
authors.initials: B
authors.lastname: Kattih
authors.affiliation: Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg-Str.1, 30625, Hannover, Deutschland.
authors.forename: David
authors.initials: D
authors.lastname: Duncker
authors.affiliation: Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg-Str.1, 30625, Hannover, Deutschland.
authors.forename: Thorben
authors.initials: T
authors.lastname: König
authors.affiliation: Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg-Str.1, 30625, Hannover, Deutschland.
authors.forename: Stephan
authors.initials: S
authors.lastname: Hohmann
authors.affiliation: Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg-Str.1, 30625, Hannover, Deutschland.
authors.forename: Hanno
authors.initials: H
authors.lastname: Oswald
authors.affiliation: Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg-Str.1, 30625, Hannover, Deutschland. veltmann.christian@mh-hannover.de.
authors.forename: Christian
authors.initials: C
authors.lastname: Veltmann
mesh_terms: D016757:Death, Sudden, Cardiac / Q000517:prevention & control; D017147:Defibrillators, Implantable; D003951:Diagnostic Errors / Q000517:prevention & control*; D004562:Electrocardiography / Q000379:methods*; D004868:Equipment Failure; D019544:Equipment Failure Analysis / Q000379:methods; D006801:Humans; D008297:Male; D008875:Middle Aged; D017211:Treatment Failure; D014693:Ventricular Fibrillation / Q000175:diagnosis* / Q000517:prevention & control*
keywords: Implantable cardioverter defibrillator; Inappropriate ICD therapy; P-wave oversensing; Subcutaneous ICD; Sudden cardiac death