Fetal circulation and PDA Flashcards
1
Q
What does the murmur of PDA sound like?
A
continuous machinery murmur in upper left chest, slapping second heart sound
2
Q
What symptoms will a baby with a moderate to large PDA shunt have?
A
CHF symptoms (pulmonary edema)
3
Q
What makes PDA 16x more likely?
A
prematurity
4
Q
If a PDA isn’t picked up for a few weeks what symptoms will the baby have?
A
difficulty feeding, recurrent lung infections from pulmonary edema
5
Q
What happens to the shunt if PDA goes undetected for a long time?
A
R-L shunt, patient will be cyanotic
6
Q
What med can be used to close the PDA?
A
indomethacin
7
Q
What of the following is inconsistent with a PDA in infancy? Bounding pulses, cyanosis, continuous murmur, poor weight gain?
A
cyanosis–because the shunt is still left to right
