echocardiography: peak diastolic velocity (D2) of hepatic veins at end of expiration
echocardiography: peak diastolic velocity (d2) of hepatic veins at end of expiration
echocardiography: peak diastolic velocity (D2) of hepatic veins at end of expiration (procedure)
echocardiography: peak diastolic velocity (d2) of hepatic veins at end of expiration (procedure)