Coronary care units--which patients benefit?
D000368:Aged; D001145:Arrhythmias, Cardiac / Q000628:therapy; D003325:Coronary Care Units / Q000706:statistics & numerical data*; D006760:Hospitalization; D006801:Humans; D009203:Myocardial Infarction / Q000401:mortality / Q000628:therapy; D013997:Time Factors