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Cosmic radiation induced software electrical resets in ICDs during air travel

      Cosmic radiation is a well-known cause of single-event upsets (SEU) on disruption to electrical circuits in electronic devices. It most commonly occurs and is reported for devices such as laptop computers, cell phones, and personal digital assistants. We report 3 patients with implantable cardioverter-defibrillators (ICDs) who experienced SEUs during air travel that may be attributed to exposure to cosmic radiation while on commercial airline flights. These cases highlight the significant impact of SEUs on ICDs and patient clinical outcomes and the need for further recognition and study of this problem.

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