cardio-Foetal Circulation

Question 1

What are the changes of foetal circulation at birth?

Answer 1

1. Pulmonary vascular resistance falls
2. Pulmonary blood flow rises
3. Systemic vascular resistance rises
4. Ductas arteriousus closus
5. Foramen oval closes
6. Ductus venouses closes

Question 2

what is Patent ductus arteriosus? (PDA)

Answer 2

ductus arteriosus fails to close after birth

Question 3

treatment of PDA?

Answer 3

v common in pre-term infants

treatment with fluid restriction/ diuretics, 
prostaglandin inhibitors (iboprofen) 
surgical ligation

in terms good chance closes by itself