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Flashcards in Newborn Period Deck (15)
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1

Preterm definition

<38 weeks. Late pre-term: 34-37

2

Apgar score

Does not predit mortality.
1 min: evaluates conditions in labour and delivery
5 min: evaulates response to resusc

3

Causes newborn conjunctivitis

Day 1: chemical irritation
Days 2-7: N gon
Greater than 1 week: C. trachomatis
Greater than 3 weeks: herpes simplex

4

Transient polycythemia of newborn-mechanism

hypoxia at birth stimulates EPO, thus increase in RBCs. Splenomegaly normal in newborns

5

Transient tachypnoea-mech

Compression of rib cage during vaginal delivery removes excess fluid from lungs. If Cesarean-excess fluid therefore hypoxic.
If tachypnoea lasts >4 hours, consider sepsis

6

Sunconjunctival hemorrhage

Delivery-associated injury
Minute hemorrhages due to large increase in intrathoracic pressure as chest compressed through birth canal

7

Most common type skull fractures in newborn

Linear skull fractures

8

Caput succedaneum

Swelling of soft tissue of scalp. Does not cross suture lines

9

Tx Erb-Duchenne and Klumpke palsy

Immobilization

10

Most common newborn fracture

Clavicular fracture
Result shoulder dystocia

11

Morgagni diaphragmatic hernia

Defect retrosternal or parasternal

12

Bochdalek diaphragmatic hernia

Defect posterolateral

13

Omphalocele

Defet in developing abdo wall.
Sac covering
Screen with AFP levels and USS
Highly associated with Edwards syndrome

14

Umbilical hernia

Highly associated with congenital hypothyroidism
90% spontaneously close by age 3
Close surgically if present after age 4

15

Gastroschisis

Wall defect lateral to midline.
No sac covering
Over-aggressive surgica;l reintroductio of bowel can cause third spacing and bowel infarction