Acid Base Balance / Blood Gas Testing - Lesson 1
Chemistry Course Overview

Questions for Practice: Student and Instructor Activity #1

A 54 year old male recovering from coronary bypass graft surgery had the following arterial blood gas results 1 hour after he was weaned from the ventilator. His ventilation rate and coloration appeared relatively normal. Blood was obtained from an arterial line by the R.N. in charge of the patient. The following results were obtained:

pH 6.33
pCO2 18 mm Hg
pO2 28 mm Hg
tCO2 25 mmol/L (venous plasma)

Indicate your answers to the following questions by typing it in the answer box and then click submit. Compare your answers to the answers given.

Evaluate these results and determine your next course of action.



Question: What is the likely cause of these results?



Question: What is your recommendation for resolving this problem?