An inappropriate shock after reprogramming tachycardia zones. Issue 4 (20th June 2019)

• Record Type: Journal Article
• Authors: Marinheiro, Rita; Parreira, Leonor; Amador, Pedro; Mesquita, Dinis; Almeida, Lurdes; Lousinha, Ana; Farinha, José; Fonseca, Marta; Esteves, Ana Fátima; Caria, Rui
• Is Part Of: Journal of arrhythmia. Volume 35:Issue 4(2019)
• Page Start: 679
• Page End: 681
• Publication Date: 2019-06-20
• Subjects: implantable cardioverter‐defibrillator zones -- inappropriate shock -- slow ventricular tachycardia -- trigeminy; Arrhythmia -- Periodicals; Cardiac pacing -- Periodicals; Arrhythmias, Cardiac; Arrhythmia; Cardiac pacing; Periodicals; Electronic journals; Periodicals; 616.128
• DOI: 10.1002/joa3.12212
• Languages: English
• ISSNs: 1880-4276

Abstract

Abstract: A patient with an implantable cardioverter‐defibrillator (ICD) (Abbott®) had episodes of slow monomorphic ventricular tachycardia (VT) and his ICD was programmed with three tachycardia zones. During the follow‐up, he received an inappropriate shock. Upon interrogation (of the device), trigeminal pattern binned as ventricular sensing (VS)—VS—ventricular fibrillation (VF) was detected. VF was assumed according to binning system. When VF is present, discrimination algorithms are not available and five consecutive sinus beats are necessary to reset binning system. Catheter ablation was performed to treat VT in order to reprogram tachycardia zones.