Roentgenographic diagnosis of heart disease. First of two parts.
D006332:Cardiomegaly / Q000000981:diagnostic imaging; D004374:Ductus Arteriosus, Patent / Q000000981:diagnostic imaging; D006331:Heart Diseases / Q000000981:diagnostic imaging* / Q000503:physiopathology; D006344:Heart Septal Defects, Atrial / Q000000981:diagnostic imaging; D006801:Humans; D006973:Hypertension / Q000000981:diagnostic imaging; D006976:Hypertension, Pulmonary / Q000000981:diagnostic imaging; D008220:Lymphography; D008722:Methods; D008946:Mitral Valve Stenosis / Q000000981:diagnostic imaging; D011651:Pulmonary Artery / Q000000981:diagnostic imaging; D011652:Pulmonary Circulation; D011666:Pulmonary Valve Stenosis / Q000000981:diagnostic imaging; D011667:Pulmonary Veins / Q000000981:diagnostic imaging; D013679:Technology, Radiologic; D014655:Vascular Resistance