echocardiography: systolic regurgitant time-velocity integral (TVI) for mitral valve at end of inspiration
echocardiography: systolic regurgitant time-velocity integral (tvi) for mitral valve at end of inspiration
echocardiography: systolic regurgitant time-velocity integral (TVI) for mitral valve at end of inspiration (procedure)
echocardiography: systolic regurgitant time-velocity integral (tvi) for mitral valve at end of inspiration (procedure)