Survival in acute myocardial infarction before and after the establishment of a coronary care unit.
D000367:Age Factors; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000453:epidemiology; D005260:Female; D006323:Heart Arrest / Q000453:epidemiology; D006327:Heart Block / Q000453:epidemiology; D006333:Heart Failure / Q000453:epidemiology; D006801:Humans; D007362:Intensive Care Units; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000401:mortality*; D044469:Racial Groups; D012737:Sex Factors; D012769:Shock / Q000453:epidemiology; D013610:Tachycardia / Q000453:epidemiology; D013997:Time Factors