title: Evaluation of inotropic contractile reserve in ischemic heart disease using postextrasystolic potentiation.
mesh_terms: D000208:Acute Disease; D000818:Animals; D002908:Chronic Disease; D003327:Coronary Disease / Q000503:physiopathology*; D004562:Electrocardiography; D006801:Humans; D009200:Myocardial Contraction; D013599:Systole