ECG artifact

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  • ECG artifacts are caused by field of the heart potentials over the surface of the scalp
  • People with short and wide necks are more likely to have the largest ECG artifacts
  • The artifact is most prominent in referential montages using earlobe electrodes A1 and A2.
  • ECG artifacts are recognized easily by its rhythmicity and coincidence with the ECG tracing

ECG artifacts in a person in non-REM 2 sleep Sleep non REM 2 (average) EEGpedia.png