HDFN Flashcards
1
Q
Passive D vs real D
A
Passive will react weakly at AHG only and titer to less than 4
Real D will react strong all phase and titer over 4
2
Q
How to determine doses of RhIg
A
Number of fetal cells/ num mom cells
x maternal blood volume (5000)
Divided by 30
3
Q
What to do after getting calculation for RhIg
A
Round up OR down and add one
4
Q
How to get RhIg dose if given a %
A
Divide by 100 and multiple by maternal blood volume
Divide by 30
5
Q
RhIg
Less than 12 weeks
A
Micro dose 50
6
Q
RhIg
12-20 weeks
A
One full dose
7
Q
RhIg
Over 20 weeks
A
Full dose + testing to see if more is needed
8
Q
RhIg
28 weeks
A
Prophylactic dose
One full dose
9
Q
RhIg
Post delivery
A
At least one full dose + testing to see if more is needed
10
Q
Antigen that causes neonetal thrombocytopenia
A
HPA1a
