Functional diagnosis of chronic cor pulmonale. II. Diminution of the cardiac shadow in response to modified Valsalva-test.
D002908:Chronic Disease; D006801:Humans; D008722:Methods; D011660:Pulmonary Heart Disease / Q000000981:diagnostic imaging* / Q000503:physiopathology; D011859:Radiography; D013223:Statistics as Topic; D014636:Valsalva Maneuver