echocardiography: systolic regurgitant time-velocity integral (TVI) of tricuspid valve at rest
echocardiography: systolic regurgitant time-velocity integral (tvi) of tricuspid valve at rest
echocardiography: systolic regurgitant time-velocity integral (TVI) of tricuspid valve at rest
echocardiography: systolic regurgitant time-velocity integral (tvi) of tricuspid valve at rest