External counter-pulsation in power failure.
D000368:Aged; D001145:Arrhythmias, Cardiac / Q000401:mortality; D001243:Assisted Circulation / Q000379:methods*; D001794:Blood Pressure; D001900:Boston; D002302:Cardiac Output; D002319:Cardiovascular System / Q000503:physiopathology; D003326:Coronary Circulation; D005260:Female; D006327:Heart Block / Q000401:mortality; D006801:Humans; D008297:Male; D008875:Middle Aged; D009206:Myocardium / Q000378:metabolism; D010101:Oxygen Consumption; D012770:Shock, Cardiogenic / Q000378:metabolism / Q000503:physiopathology / Q000628:therapy; D013997:Time Factors