echocardiography: diastolic inflow time-velocity integral (TVI) for mitral valve at end of expiration
echocardiography: diastolic inflow time-velocity integral (tvi) for mitral valve at end of expiration
echocardiography: diastolic inflow time-velocity integral (TVI) for mitral valve at end of expiration (procedure)
echocardiography: diastolic inflow time-velocity integral (tvi) for mitral valve at end of expiration (procedure)