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ECG interference from the iPhone
  1. A S Lota
  1. Correspondence to Dr A S Lota, Department of Cardiology, Hammersmith Hospital, Imperial College Healthcare NHS Trust, Du Cane Road, London W12 0HS, UK; amrit.lota{at}

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A 44-year-old man presented to the emergency department with cocaine-induced chest pain. There was no previous cardiac history. His initial ECG was abnormal (figure 1A). On examination, he appeared well and a charging iPhone 4 was found beneath his …

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  • Competing interests None.

  • Patient consent Obtained.

  • Provenance and peer review Not commissioned; internally peer reviewed.