right-to-left shunt [ME, shunten] , a shunt in which unoxygenated venous blood bypasses the lungs and directly enters the arterial system, as in the tetralogy of Fallot and other conditions.
right-to-left shunt
right-to-left shunt [ME, shunten] , a shunt in which unoxygenated venous blood bypasses the lungs and directly enters the arterial system, as in the tetralogy of Fallot and other conditions.