Hematologic Illnesses Flashcards
1
Q
Hemolytic Disorder of the Newborn
A
D antigen present as early as 5 wks
Most common: Anti-D, Anti Kell
“Kidd Kells Duffy Dies, Lewis lives”
Liley curve: Measures optical density of AF in cases of isoimmunization 2/2 hemolytic anemia (bili in AF)
Deliver or do IUT if upper zone II or Zone III
Not possible to follow amnios for Parvo, Kell (cause erythroblastic, not hemolytic anemia)
2
Q
RhoGAM
A
300mcg dose protects against 30mL fetal blood or 15mL of fetal RBCs
3
Q
Risks of RhD isoimmunization
A
Term NSVD without rhogam 20%
Rhogam at delivery only 2%
Rhogam at 28wk and PP 0.2% risk
4
Q
Apt Test
A
Ddx fetal blood from maternal blood in eval of bloody stools
Add base, fetal cells remain pink, adult cells lyse
