Loading and performance of the heart as muscle and pump.
D003326:Coronary Circulation; D006321:Heart / Q000502:physiology*; D006334:Heart Function Tests / Q000379:methods; D066298:In Vitro Techniques; D008954:Models, Biological; D009132:Muscles / Q000502:physiology; D009200:Myocardial Contraction; D014655:Vascular Resistance; D016276:Ventricular Function