echocardiography: systolic time-velocity integral (TVI) of hepatic veins at end of expiration
echocardiography: systolic time-velocity integral (tvi) of hepatic veins at end of expiration
echocardiography: systolic time-velocity integral (TVI) of hepatic veins at end of expiration
echocardiography: systolic time-velocity integral (tvi) of hepatic veins at end of expiration