title: [Role of echocardiography in the diagnosis of initial stage of cardiac insufficiency in patients with ischemic heart disease].
mesh_terms: D003327:Coronary Disease / Q000175:diagnosis*; D004452:Echocardiography; D004562:Electrocardiography; D006334:Heart Function Tests; D006347:Heart Sounds; D006801:Humans; D008297:Male; D008875:Middle Aged
vernacular_title: Mesto ekhocardiografii v diagnostike nachal'noĭ stadii serdechnoĭ nedostatochnosti u bol'nykh ishemicheskoĭ bolezn'iu serdtsa