FP Equations

Question 1

How to calculate PaO2 when given the unit of pressure (torr)

Answer 1

pressure(torr) x 0.21

Question 2

How to calculate the new FiO2 at a different altitude?

Answer 2

(FiO2 x P1)/P2

Question 3

Anion Gap equation

Answer 3

[ Na - (Cl- +HCO3)]

normal is 16-20

Question 4

Corrected Sodium (NA) equation

Answer 4

Sodium + [ 0.016 (glucose - 100)]

Question 5

Peds ETT size

Answer 5

(16 + age)/ 4

Question 6

Pediatric Hypotensive BP

Answer 6

70 + (2 x age)

Question 7

Pediatric Normal BP

Answer 7

90 + (2 x age)

Question 8

Cerebral Pulse Pressure

Answer 8

MAP - ICP

Question 9

Parkland formula

Answer 9

Kg x TBSA x 4mL= volume/24 hours

Question 10

Consensus formula

Answer 10

Kg x TBSA x 2-4 mL= volume/ 24 hours
2mL/kg=adults
3mL/kg= peds
4mL/kg= electrical burns

Question 11

Bicarb replacement formula

Answer 11

0.1 x (-BD) x kg