Equations Flashcards
1
Q
Cerebral perfusion pressure
A
=MAP - Intracranial cerebral pressure
2
Q
MAP
A
1/3 systolic + 2/3 diastolic
3
Q
Free water deficit
A
4 mL x weight (kg) x desired change in serum Na (meq/L)
4
Q
Nitrogen intake
A
protein intake (g/day) x 0.16
5
Q
Nitrogen balance
A
Nitrogen intake - Nitrogen lost
6
Q
Polycythemia volume to be exchanged
A
[(observed Hct.- desired Hct (usually 55-60%) / observed Hct ] x infant’s blood volume (mL)
(blood volume = weight in kg x 80-100 mL/kg
7
Q
Hardy Weinberg principle
A
p+q = 1
p2 +2pq + q2 = 1
