PDA

Question 1

What is a PDA?

Answer 1

A failure of the ductus arteriosus between the aorta and the pulmonic artery to close after birth.

Question 2

If a PDA remains open after birth, what occurs?

Answer 2

This causes oxygenated blood in the aorta that should be going out to the systemic system to drain into the pulmonic artery then to the lungs and o2 blood remains stuck in the right heart circulatory system, instead of out to the body.

Question 3

If a PDA is not closed by surgery, what can occur?

Answer 3

Eisenmenger syndrome may occur due to the lungs being long-term exposed to the high-pressure of the aorta

Question 4

What murmur is associated with the PDA?

Answer 4

Continuous murmur(systolic &diastolic)

“machinery sound”

Question 5

If a large PDA is not corrected what might develop?

1. Nothing.
2. Pulmonary hypertension.
3. Pericardial effusion.
4. Eisenmenger syndrome.

Answer 5

Eisenmenger syndrome

Question 6

A PDA is commonly found in what kind of births?

Answer 6

Premature births

Question 7

True or false- PDAs are commonly found in adults

Answer 7

False- rare in adults

Question 8

A PDA puts the patient at an increased risk for?

Answer 8

Endocarditis

Question 9

A PDA is a ___ to ___ shunt unless they have ____

Answer 9

L-R shunt ; PHTN

Question 10

With a PDA on echo- you may see?

Answer 10

Left side enlargement due to the excess volume going back into the lungs then to the left side of the heart

Question 11

A PDA may show super sternal or PSAX pulmonary artery _____

Answer 11

Trifurcation

Question 12

When you Doppler with a PDA, what will you see?

Answer 12

Diastolic continuous flow