echocardiography: systolic regurgitant time-velocity integral (TVI) for mitral valve with stress
echocardiography: systolic regurgitant time-velocity integral (tvi) for mitral valve with stress
echocardiography: systolic regurgitant time-velocity integral (TVI) for mitral valve with stress (procedure)
echocardiography: systolic regurgitant time-velocity integral (tvi) for mitral valve with stress (procedure)