[CARDIAC TEST USING DOPPLER'S ULTRASONICS].
D004562:Electrocardiography; D055724:Electrophysiological Phenomena; D004594:Electrophysiology; D006321:Heart; D006801:Humans; D008943:Mitral Valve; D010701:Phonocardiography; D014465:Ultrasonics
ELECTROCARDIOGRAPHY; ELECTROPHYSIOLOGY; HEART; MITRAL VALVE; PHONOCARDIOGRAPHY; ULTRASONICS