Ultrasound cardiography.
D000328:Adult; D004562:Electrocardiography; D005260:Female; D006331:Heart Diseases / Q000175:diagnosis*; D006334:Heart Function Tests; D006801:Humans; D008297:Male; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000175:diagnosis*; D008946:Mitral Valve Stenosis / Q000175:diagnosis*; D014465:Ultrasonics