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it is located between the left and the right Atrium.
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∙ 11y ago
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What are the three shunt present in the fetal heart but not in adult heart?
The ductus arteriosus, formen ovale and ductus veinosus.
Why is it important for the fetal heart to have both the ductus arteriosus and the foramen ovale but not good for the adult heart to have these?
The ductus arteriosus and foramen ovale are important for systemic circulation. This is the type of circulation maintained by fetal pigs but the adult heart requires pulmonary and systemic circulation.
Why is it important for the fetal heart to have both the ductus arteriosus and the foramen ovale but not good for the adult heart to have these feature?
The ductus arteriosus and foramen ovale are important for systemic circulation. This is the type of circulation maintained by fetal pigs but the adult heart requires pulmonary and systemic circulation.
What were Two remnants of fetal structures are observable in the heart what were they called in the fetal heart?
Fossa ovalis and ligamentum. Fossa ovalis -> foramen lovale Ligamentum-> Ductus arteriosus
What murmur radiates to the back?
Patent ductus arteriosus, or PDA, is a type of heart murmur that radiates to the back. It occurs when an infant's ductus arteriosus does not close after birth.
Where is the ligamentum arteriosum in the heart located?
The ligmentum arteriosum is the remnant of the ductus arteriosus in the fetal heart. The fossa ovalis is the remnant of the foramen ovale.
What was the ligamentum arteriosum called in the fetal heart?
In the fetal heart it was called ductus arteriosis.
How does the ductus arteriosus affect the path of blood through the fetal heart?
It is an alternate way for the blood to flow during fetus development. The alternate blood flow before birth is necessary because the fetal lungs are not yet functioning.
How does fetal circulation differ from the circulation pattern after birth?
In fetal circulation, the placenta provides oxygen and nutrients to the fetus, so the lungs are not used for oxygen exchange - instead, a bypass called the ductus arteriosus shunts blood away from the lungs. After birth, the lungs take over oxygen exchange, the ductus arteriosus closes, and the foramen ovale between the atria closes, redirecting blood flow through the heart to support pulmonary circulation.
What were the ligamentum arteriosum and the fossa ovalis called in the fetal heart?
the fossa ovalis was the foramen ovale and the ligamentum arteriosum was the ductus arteriosus. They each contributed to shunting blood away from the non-functional lungs in the fetus.
What does the ductus arteriosus shunt blood away from?
It is present to shunt leftover blood from the pulmonary artery to the aorta because the pressure in the right fetal heart is higher than that in the left.
Why do physicians administer prostoglandings to keep the ductus arteriosus patent?
The main reason a doctor would want to keep the ductus arteriosus patent would be if the baby had some type of heart defect. An example of this would be transposition of the great vessels.
