Nor­mal Range Sim­ple
Acid-
Base Dis­orders
Arte­rial Ven­ous Met Acid Resp Acid Met Alk Resp Alk
pH 7.35-7.44 7.33-7.43
pCO2 35-45 mm Hg 36-48 mm Hg
HCO3- 21-27 mEq/L 22-29 mEq/L
pO2 70-100 mm Hg 37-47 mm Hg ⇑ / ⇓ = prima­ry
change
↑ / ↑ = predi­cted
compen­satory
change
O2 sat > 95% 60%-85%
BE -2 to 3
Exam­ples Diar­rhea
CRF
CO­PD
Resp dep­ress
Vo­mi­ting
Di­ure­tics
Hy­per- ve­nt
PE