CV

Question 1

1. What age does the ductus arteriosus close?
2. What age does Pulm vascular resistance fall to normal?

Answer 1

1. 5-14 days—expect left sided obstructive processes (ie HLHS, CoA) to present with cardiogenic shock.
2. 6-8 weeks—will cause a VSD to become more symptomatic due to increase blood flow (left to right)

Question 2

What are the 3 criteria to diagnose pericarditis? How many do you need for diagnosis?

Answer 2

1. Pericardial friction rub
2. Pleuritic anterior chest pain
3. Widespread ST elevation or PR depression on EKG

Need 2/3