title: Electrocardiographic artefact mimicking arrhythmic change on the ECG.
abstract: 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.
authors.affiliation: Department of Care of the Elderley, Northern General Hospital, Sheffield, UK. nicolas.samaniego@sth.nhs.uk
authors.forename: N C
authors.initials: NC
authors.lastname: Samaniego
authors.forename: F
authors.initials: F
authors.lastname: Morris
authors.forename: W J
authors.initials: WJ
authors.lastname: Brady
mesh_terms: D000368:Aged; D016477:Artifacts; D003937:Diagnosis, Differential; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D008297:Male; D013575:Syncope / Q000175:diagnosis; D013610:Tachycardia / Q000175:diagnosis*