title: The ECG made difficult.
authors: Chelsea and Westminister Hospital.
authors: P B
authors: PB
authors: Kroker
authors: M C
authors: MC
authors: Taylor
authors: A
authors: A
authors: Deb
mesh_terms: D000368:Aged; D002637:Chest Pain / Q000209:etiology; D003951:Diagnostic Errors; D004562:Electrocardiography / Q000379:methods* / Q000592:standards; D005260:Female; D006801:Humans; D009203:Myocardial Infarction / Q000175:diagnosis