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Electrocardiographic artefact mimicking arrhythmic change on the ECG
  1. N C Samaniego1,
  2. F Morris2,
  3. W J Brady3
  1. 1Department of Care of the Elderley, Northern General Hospital, Sheffield, UK
  2. 2Department of Accident and Emergency Medicine, Northern General Hospital
  3. 3Department of Emergency Medicine, University of Virginia, Charlottesville, Virginia, USA
  1. Correspondence to:
 Dr N C Samaniego, Care of the Elderley Department, Royal Hallamshire Hospital, Glossop Road, Sheffield S10 2JF, UK; 


Artefact on electrocardiograms is a source of potential misdiagnosis and may lead to patients’ receiving unnecessary treatments. This article present two cases that illustrate this problem, and will briefly look at known internal and external causes of artefact.

  • artefact
  • electrocardiogram
  • arrhythmia

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