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Gerald R. King, MD
Presbyterian-St. Luke's Hospital Chicago

Albert C. Hamburger, MD
Detroit

Forough Parsa, MD; Stanley J. Heller, MD; Richard A. Carleton, MD
Presbyterian-St. Luke's Hospital Chicago

JAMA. 1970;212(7):1213.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.—

Although the effects of external radio-frequency radiation on implanted cardiac pacemakers have received much attention in the literature (Lichter I, Borrie J, Miller WM: Radio-frequency hazards with cardiac pacemakers. Brit Med J 1:1513, 1965; Carleton RA, Sessions RW, Graettinger JS: Environmental influence on implantable cardiac pacemakers. JAMA 190:938, 1964; Siddons H, Sowton E: Cardiac Pacemakers. Springfield, Ill, Charles C Thomas Publisher, 1967, pp 99-102), to our knowledge high-frequency stimuli from microwave ovens have not previously been reported to interfere with pacemaker function. We have recently observed such an interference.

Report of a Case.—

A 68-year-old white male physician developed complete A-V block during November 1969. The patient subsequently experienced dyspnea and pedal edema, but did not develop syncope. On Nov 24, 1969, a ventricular sensing pacemaker (Medtronic Corporation, Model #5841) was implanted through the left external jugular vein; the pulse generator was placed in a . . . [Full Text PDF of this Article]

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