Ductus Venosus

The ductus venosus in utero carries blood from the umbilical vein (Fig. 2-42) via the left portal vein into the IVC. It has been reported that the ductus is patent in 100% of neonates 1-2 days after birth and is still patent in 68% of neonates 6-7 days after birth.75 Beyond this age of life, patent ductus venosus causes pulmonary hypertension, hypoxemia, cardiac failure, hepatic dysfunction, and hyperammonemia.76 Ultrasound, CT, and/or angiography are used for diagnosis77 (Fig. 2-43).

Blood Pressure Health

Blood Pressure Health

Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...

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