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36 Cards in this Set

  • Front
  • Back
Definition of low blood sugar
blood glucose less than 45 mg/dL with smptoms
MC causes of hypoglycemia in newborn
diabetic mothers, IUGR, sepsis
Clinical presentation of hypoglycemia
lethargy, poor feeding, hypotonia, jitteriness, seizures
Tx for hypoglycemia in infants with BS 20-40 and no sxs
oral feeds and monitor with repeat testing
Tx for hypoglycemia in infants with BS 20-40 and symptoms or BS less than 20
Bolus 10W at 2 cc/kg then 6 mg/kg/min; treat undelrying cause if possible
MC cause of neonatal seixures
hypoglycemia
Common reversible causes of neonatal seizures
hypooglycemia, hypocalcemia, sepsis/encephalitis, kernicterus, and drug withdrawal
Common irreversibel causes of neonatal seizures
metabolic syndromes, familial seizures, ischemia
Clinical presentation of neonatal seizures
seizure often subtle and hard to diagnose; look for rhythmicity and patterns, EEGs to diagnose
What labs do you need to draw with acute seizure?
CBC, Chem &, Ca
2 causes of neonatal anemia
hemolytic disease of newborn and blood loss
MC cause of hemolytic disease of the newborn
ABO incompatibility
3 causes of hemolytic disease of the newborn
ABO incompatibility; Rh incompatibility, and other antigen Rh C, E, Kell, Duffy
What are the causes of birth related blood loss?
maternal-fetal hemorrhage, placenta previa, and cord rupture/ early cord clamping
How is iatrogenic blood loss caused in neonates?
repeat labs on NICU patients
Level of bilirubin in all newborns.
elevated
Jaundice
staining of skin due to breakdown of bili- doesn't really matter that the color is different, but that it leads to an undelrying process
Kernicterus
staining of brain similar to jaundice---> causes mental retardation
Reasoons why babies have elevated bilirubin
increased RBC mass and turnover, insufficient hepatic clearance, decreased gut motility and excretion
Types of bilirubin
pathologic (unconjugated and conjugated) and physiologic (breastfeeding jaundice and breast milk jaundice)
Why do babies get breastfeeding jaundice?
they may not get real food for 5-7 days so they will not poop a lot and then develop jaundice
Why do babies get breast milk jaundice?
After the milk supply is being produced, in some moms there is a free fatty acid that blocks the conjugation of bili in breastfeeding kids--> not really high enough to cause kernicterus
Unconjugated pathologic jaundice is caused by what two means?
hemolyis usually due to Abo/Rh isoimmunization OR insufficient conjugation
Rare profound jaundice as a result of insufficent conjugation
Crigler-Najjar
very common syndrome where molecule doesn't work quite fast enough to cause suffiicent conjugation--> usually not serious, runs in family
Gilbert's syndrome
Coonjugated jaundice is a result of what?
obstruction distal to liver
Factors that make jaundice more likely to be pathologic (kernicterus causing)
peak level over 15 mg/dl (kernicterus doesn't start here, but we want to prevent it)--> age dependent- if premie, may be as low as 7; nomogram rate of rise greater than 5 mg/dl per day; and onset within 24 hrs of life
Look for jaundice here
under tongue, sclera, scalp, then progresses head to toe(jaundice at belly button is at least 12)
Coomb's test
looking for maternal antibodies in blood
Peripheral smear purpose
look for broken RBCs
What groups do you do G6PD test in?
African, Asian, and Med. Male
Tx for jaundice
improve/increase feeding (do not stop breastfeeding); phototherapy; exchange transfusion
Severe gut dysfunction due to feeding a premature GI tract
necrotizing enterocolitis (ischemia not infectious)
Classic radiograph findings in necrotizing enterocolitis
pneumonia intestibalis (gas between the subserosal and muscularis layer of the small bowel wall) plus free air or ileus
Tx for necrotizing enterocolitis
stop feedings (start TPN), NG decompression, broad spectrum Abx, surgical excision in 50%
Classic presentation in necrotizing enterocolitis
feeding intolerable, abd. Distention, and rectal bleeding in premie (severe- DIC and shock)