How useful is CCU today?
D001145:Arrhythmias, Cardiac / Q000401:mortality / Q000628:therapy; D003325:Coronary Care Units; D003327:Coronary Disease / Q000401:mortality / Q000628:therapy; D006801:Humans; D007194:India; D008952:Mobile Health Units; D012151:Resuscitation; D013997:Time Factors