Reflected ultrasound as a diagnostic instrument in study of mitral valve disease.
D006328:Cardiac Catheterization; D002302:Cardiac Output; D002932:Cineangiography; D004560:Electricity; D006334:Heart Function Tests; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000175:diagnosis*; D008946:Mitral Valve Stenosis / Q000175:diagnosis*; D012214:Rheumatic Heart Disease / Q000175:diagnosis; D014159:Transducers; D014465:Ultrasonics