Acid-Base Balance and Regulation (Cardiopulmonary Physiology)

Question

Referencing your Siggard-Andersen nomogram, what is the approximate HCO3?

FI02 =                   .21

Spontaneously breathing @ f = 18

Hgb =                   15

pH =                     7.22

PaC02 =                58 torr

Pa02 =                   80 torr

HC03 =                 ? meq/l

O2 sat =                97%

A. 10.5 meq/l

B. 15.8 meq/l

C. 23 meq/l

D. 28 meq/l

 

Answer 1

The best answer is 23 mequiv.