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Concealed mechanical bradycardia: an indication for permanent pacemaker implantation
H S Barold1, A B Hesselson, J Jollis
1Department of Electrophysiology and Cardiology, Duke University Medical Center, Durham, North Carolina, USA.
Pacing and Clinical Electrophysiology : PACE
|October 30, 1998
Abstract:
We report a 51-year-old man with severe ischemic cardiomyopathy and heart failure in whom incessant bigeminal ventricular ectopy failed to generate a detectable arterial pressure. This created a mechanical bradycardia despite an adequate electrical heart rate. Dual chamber pacing increased the effective heart rate and allowed discontinuation of an intraaortic balloon pump from which the patient could not otherwise be weaned.