echocardiography: mitral valve diastolic peak flow velocity E/A ratio at end of expiration
echocardiography: mitral valve diastolic peak flow velocity e/a ratio at end of expiration
echocardiography: mitral valve diastolic peak flow velocity E/A ratio at end of expiration (procedure)
echocardiography: mitral valve diastolic peak flow velocity e/a ratio at end of expiration (procedure)