Robert H. Goetz, M.D.
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Continuous cardiac pacing with totally implanted pulse generators has now become standard therapy for patients with complete heart block and Adams-Stokes syndrome. The pacemaker assumes complete control over ventricular conduction suppressing all spontaneous activity. However, in patients who go in and out of heart block, pacing by means of a continuous fixed rate pacemaker results in a competition between naturally induced stimuli and the pacemaker-produced beats for capture of the ventricular contraction. This results in a bizarre cardiac rhythm, tachycardias, and possibly ventricular fibrillation if a pacemaker beat should fall into the vulnerable period of the naturally induced beat. Recent
Robert H. Goetz. Pacing on Demand in Atrioventricular Conduction Disturbances of the Heart.. Ann Intern Med. 1968;68:1155–1156. doi: 10.7326/0003-4819-68-5-1155_3
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Published: Ann Intern Med. 1968;68(5):1155-1156.
Cardiology, Rhythm Disorders and Devices.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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