[The significance of the Valsalva test in the functional assessment of the heart in patients with chronic lung disease (polycardiographic study)].
D004562:Electrocardiography; D006334:Heart Function Tests; D006801:Humans; D011660:Pulmonary Heart Disease; D014636:Valsalva Maneuver
Znachenie proby Val'sal'vy dlia otsenki funktsional'nogo sostoianiia serdtsa u bol'nykh khronicheskimi zabolevaniiami legkikh (polikardiograficheskoe issledovanie)