Unipolar defibrillator?
An unusual case of "unipolar" pacing and myopotential over-sensing leading to an inappropriate ICD shock in a patient with an implanted defibrillator is reported. The reasons for unipolar behavior in a system using a committed bipolar device are discussed.
Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia 19104, USA.
B B
BB
Pavri
R T
RT
Ho
V
V
Patel
D J
DJ
Callans
S
S
Foley
D Z
DZ
Kocovic
D000465:Algorithms; D002304:Cardiac Pacing, Artificial / Q000379:methods; D017147:Defibrillators, Implantable; D004562:Electrocardiography; D004567:Electrodes, Implanted; D004868:Equipment Failure; D006801:Humans; D008297:Male; D008875:Middle Aged; D014693:Ventricular Fibrillation / Q000175:diagnosis