Unit 11 - Neonatal Emergencies Flashcards
1
Q
most common type of TEF
A
C
accounts for ~90% of all TEFs
upper esophagus ends in a blind pouch, and the lower esophagus communicates with the distal trachea
2
Q
key indicator of esophageal atresia/TEF
A
maternal polyhydramnios
3
Q
how is the TEF diagnosis confirmed
A
by the inability to pass a gastric tube into the stomach
4
Q
s/s TEF
besides inability to pass gastric tube
A
choking, coughing, and cyanosis during oral feeding
5
Q
what % of neonates with esophageal atresia also have a cardiac defect
A
20%
6
Q
when do type 2 pneumocytes start producing surfactant
A
22-26 weeks
peak: 35-36 weeks
7
Q
A
- Directly proportional to surface tension (more tension = more likely to collapse)
- Inversely proportional to alveolar radius (smaller radius = more like to collapse)
