title: Recording a 12-lead electrocardiogram--3.
authors.affiliation: Royal Brompton Hospital and Harefield NHS Trust.
authors.forename: H
authors.initials: H
authors.lastname: Metcalfe
mesh_terms: D016477:Artifacts; D004562:Electrocardiography / Q000295:instrumentation / Q000379:methods* / Q000451:nursing; D004868:Equipment Failure; D006801:Humans; D009737:Nursing Records