echocardiography: atrial reversal time-velocity integral (TVI) of hepatic veins at rest
echocardiography: atrial reversal time-velocity integral (tvi) of hepatic veins at rest
echocardiography: atrial reversal time-velocity integral (TVI) of hepatic veins at rest (procedure)
echocardiography: atrial reversal time-velocity integral (tvi) of hepatic veins at rest (procedure)