Inactivation of a ventricular tachycardia preventive algorithm during automatic mode switching for atrial tachyarrhythmia.
A patient with a dual chamber implantable defibrillator and pause dependent VT in whom a rate smoothing algorithm failed to operate during automatic mode switching due to device idiosyncrasy is reported. Preventive measures are discussed.
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Section of Cardiology, Rush-Presbyterian-St. Luke's Medical Center and Rush Medical College, Chicago, Illinois 60025, USA.
Pinski
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D000465:Algorithms; D001281:Atrial Fibrillation / Q000503:physiopathology; D002304:Cardiac Pacing, Artificial / Q000379:methods; D002311:Cardiomyopathy, Dilated / Q000628:therapy; D017147:Defibrillators, Implantable; D004562:Electrocardiography; D004867:Equipment Design; D004868:Equipment Failure; D006801:Humans; D008297:Male; D008875:Middle Aged; D017180:Tachycardia, Ventricular / Q000517:prevention & control*; D018879:Ventricular Premature Complexes / Q000503:physiopathology