title: [Ultrasonic Doppler method].
mesh_terms: D000787:Angina Pectoris / Q000503:physiopathology; D001021:Aortic Valve / Q000502:physiology; D005080:Exercise Test; D006334:Heart Function Tests; D006801:Humans; D008943:Mitral Valve / Q000502:physiology; D011187:Posture; D011664:Pulmonary Valve / Q000502:physiology; D014261:Tricuspid Valve / Q000502:physiology; D014463:Ultrasonography