Case 1 - Bloody Diaper in the Neonate
Common causes of BRBPR in kids
1. Ingested maternal blood
2. Necrotizing enterocolitis
3. Milk protein allergies
4. Anal fissure
Key learning points
1. Hgb nadir at 6-8 weeks in full term down to 9g, premies drop faster and farther, 7g by about 3-4 weeks
2. Reassess potentially sick frequently
3. NEC is possible in full term, keep it in your differential!
Pathophys: intestinal immaturity and over active immune response
Generally affects preterm infants, but not uncommon and increasing in frequency in full term infants
Case 2 - 14 month old cold, seizing baby
History of an Takayasu arteritis and new seizures. ICH seen on CT
Most commonly involved vessel
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