Formulas/General Rules

Question 1

1 unit of blood

Answer 1

1 Hgb
3% HCT

Question 2

Maintenance Fluids for Pediatrics

Answer 2

4-2-1
4 mL/kg/hr first 10 kg
2 mL/kg/hr next 10 kg
1 mL/kg/hr for all above

Question 3

MAP

Answer 3

(SBP+2DBP)/3

Question 4

Blood Loss in a Femur

Answer 4

1-2 L

Question 5

FiO2f

Answer 5

FiO2(BPi/BPf)

Question 6

PAO2 =

Answer 6

FiO2(Pb-Pwv) - PaCO2(1.2)
Pb = Barometric Pressure
Pwv = Water Vapor Pressure

Question 7

Water Vapor Pressure

Answer 7

47 mmHg