title: Right ventricular systolic pressure gradients in aortic valve disease.
mesh_terms: D000328:Adult; D000680:Amyl Nitrite / Q000494:pharmacology; D001022:Aortic Valve Insufficiency / Q000000981:diagnostic imaging / Q000503:physiopathology*; D001024:Aortic Valve Stenosis / Q000000981:diagnostic imaging / Q000503:physiopathology*; D001794:Blood Pressure / Q000187:drug effects; D001795:Blood Pressure Determination; D006328:Cardiac Catheterization; D002302:Cardiac Output; D006332:Cardiomegaly / Q000503:physiopathology; D005260:Female; D006339:Heart Rate; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D007545:Isoproterenol / Q000494:pharmacology; D008297:Male; D008875:Middle Aged; D011651:Pulmonary Artery; D011859:Radiography; D014636:Valsalva Maneuver
chemical_list: D000680:Amyl Nitrite; D007545:Isoproterenol