Mode Switching Anomalies: A Patient Who Remained Symptomatic During Paroxysmal Atrial Tachyarrhythmias Despite A Mode Switching Pacemaker

A patient with an automatic mode switching pacemaker continued to experience discomfort during the onset of paroxysmal supraventricular tachyarrhythmias. Investigation revealed that the patient was sensing abrupt rate changes as the ventricular paced rate tracked the tachycardia during onset and det...

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Bibliographic Details
Published in:Pacing and clinical electrophysiology 1997-07, Vol.20 (7), p.1883-1884
Main Authors: GIUDICI, MICHAEL C., ORIAS, DAVID W.
Format: Article
Language:English
Subjects:
Atrial Fibrillation - physiopathology
Atrial Fibrillation - therapy
atrial tachyarrhythmias
Cardiac Pacing, Artificial - methods
Equipment Design
Equipment Failure
Female
Follow-Up Studies
Humans
Middle Aged
mode switching
Pacemaker, Artificial
rate smoothing
Retreatment
Tachycardia, Paroxysmal - physiopathology
Tachycardia, Paroxysmal - therapy
Tachycardia, Supraventricular - physiopathology
Tachycardia, Supraventricular - therapy
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Summary:A patient with an automatic mode switching pacemaker continued to experience discomfort during the onset of paroxysmal supraventricular tachyarrhythmias. Investigation revealed that the patient was sensing abrupt rate changes as the ventricular paced rate tracked the tachycardia during onset and detection phases. Her pacemaker was replaced with a new device with both mode switching and rate smoothing capabilities with resultant elimination of symptoms.
ISSN:0147-8389
1540-8159
DOI:10.1111/j.1540-8159.1997.tb03583.x