Formulas Flashcards
1
Q
Free water deficit
A
0.6 x weight (kg) x (current Na/140) - 1
add insensible losses to keep patient at current level
2
Q
Serum osmolarity
A
2(Na) + BUN/2.8 + Gluc/18
3
Q
FENA
A
(Urine Na x Plasma Cr) / (Plasma Na x Urine Cr)
4
Q
FEUrea
A
(Urine urea x Plasma Cr) / (Plasma urea x Urine Cr)
