The contractile function of the myocardium in two types of cardiac adaptation to a chronic load.
D000222:Adaptation, Physiological; D000531:Altitude; D000818:Animals; D001017:Aortic Coarctation / Q000503:physiopathology*; D001273:Atmosphere Exposure Chambers; D001696:Biomechanical Phenomena; D006332:Cardiomegaly / Q000503:physiopathology; D004195:Disease Models, Animal; D004558:Electric Stimulation; D006321:Heart / Q000503:physiopathology*; D000860:Hypoxia / Q000503:physiopathology*; D008297:Male; D009129:Muscle Tonus; D009132:Muscles / Q000503:physiopathology*; D009929:Organ Size; D010210:Papillary Muscles / Q000503:physiopathology; D051381:Rats