MAP
RER

A-a Gradient
0-10 good
31+ need O2

Oxygenation index
What is acceptable?
PaO2
_____________
FiO2
>300 is acceptable
REGULAR Osmolality
Normal is 300
(290-310)

Rehydration
8(deh)(kg)
PLUS
maintenace

Maintenance fluid
DOG

Maintenance fluid
CAT

Insensible losses
1/3 maintenance fluids
KMAX
0.5meq/kg/L
Effective Osmolality
When to use it?
HHS - >350

Corrected chloride

Total Body Water

Corrected sodium

Cerebal perfusion pressure
MAP - ICP
Free water deficit

Anion Gap

Bicarb Calculation (supplementation)
Base Excess x BW(kgs) x 0.3