Emerg Med J 28:906-907 doi:10.1136/emermed-2011-200078
  • Images in emergency medicine

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}
  1. Contributors Dr ASL is the sole contributor.

  • Accepted 24 March 2011
  • Published Online First 27 May 2011

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 …