Assessment of the Safety Risk of Dermatoscope Magnets in Patients With Cardiovascular Implanted Electronic Devices

JAMA Dermatology
Ayelet RishponAshfaq A Marghoob

Abstract

Cardiovascular implanted electronic devices (CIEDs) are susceptible to electromagnetic interference. Dermatologists regularly use devices containing magnets, including dermatoscopes and their attachments, which could pose a hazard to patients with CIEDs. To investigate the safety risk of magnets in dermatoscopes to patients with CIEDs. This cross-sectional observational study was conducted between January 1, 2018, and March 31, 2018, in a controlled laboratory setting. Two experiments were performed. In the first experiment (performed in the Dermatology Service at Memorial Sloan Kettering Cancer Center, New York), dermatoscopes that contain magnets were obtained from 3 manufacturers. Using a magnometer, the magnetic field strength of the dermatoscopes was measured over the magnet; at the faceplate; and at a distance of 0.5 cm, 1 cm and 15 cm away from the faceplate. In the second experiment (performed in the University Heart Center Zurich, Zurich, Switzerland), ex vivo measurements were conducted to determine how the dermatoscopes affected old-generation and new generation CIEDs (pacemakers and implantable defibrillators). Magnetic field strength as measured directly over the dermatoscope magnet; at the faceplate; and at distan...Continue Reading

References

Jun 28, 2012·Journal of Neurosurgery. Pediatrics·Jennifer StrahleCormac O Maher
Apr 12, 2014·Journal of the American Heart Association·Teri M KozikWalter Chien

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