title: Killip class is still relevant.
authors.forename: Ian C
authors.initials: IC
authors.lastname: Gilchrist
mesh_terms: D015906:Angioplasty, Balloon, Coronary; D002300:Cardiac Care Facilities; D006801:Humans; D009203:Myocardial Infarction / Q000145:classification* / Q000175:diagnosis / Q000628:therapy; D011379:Prognosis; D016896:Treatment Outcome