Mechanical support of the failing heart.
D000328:Adult; D001243:Assisted Circulation; D002648:Child; D006336:Heart Massage; D006354:Heart, Artificial; D006353:Heart-Assist Devices; D006801:Humans; D007231:Infant, Newborn; D007423:Intra-Aortic Balloon Pumping; D010138:Pacemaker, Artificial