title: Use of ultrasonic contrast method in the diagnosis of aortic valvular regurgitation: report of a case.
mesh_terms: D000328:Adult; D001022:Aortic Valve Insufficiency / Q000175:diagnosis* / Q000601:surgery; D002932:Cineangiography; D003287:Contrast Media / Q000009:adverse effects; D004342:Drug Hypersensitivity; D004452:Echocardiography; D006439:Hemodynamics; D006801:Humans; D007022:Hypotension / Q000209:etiology; D008297:Male; D014463:Ultrasonography
chemical_list: D003287:Contrast Media