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Previous Volume 350:1688-1690 April 15, 2004 Number 16 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: Both patients and health care professionals should be aware of potential pacemaker interactions in the environment, since cardiac pacemakers and defibrillators are sensitive to many kinds of electromagnetic interference.

A 52-year-old man with a dual-chamber pacemaker, implanted because of intermittent, symptomatic, high-degree atrioventricular block, presented with short episodes of dizziness and near-fainting. A detailed history revealed that the symptoms occurred exclusively during self-prescribed therapy with a Zapper device. The Zapper, which is available worldwide, is a simple, battery-powered, direct-current–offset pulse generator with square-wave output at a constant frequency of 33.3 kHz ±10 percent. These electronic pulse frequencies . . . [Full Text of this Article]

This article has been cited by other articles:

• Rosen, M. R., Brink, P. R., Cohen, I. S., Robinson, R. B. (2004). Genes, stem cells and biological pacemakers. Cardiovasc Res 64: 12-23 [Abstract] [Full Text]