You Have Applied a CO-Oximeter to Your Patient, and It

Multiple Choice

You have applied a CO-oximeter to your patient, and it is displaying an SpCO of 15 percent. Which of the following is the most appropriate interpretation of this finding?

A) This is consistent with a fatal level of carbon monoxide poisoning.
B) This is a normal reading for a smoker and nothing to worry about.
C) This is a normal reading for a nonsmoker and nothing to worry about.
D) This is consistent with mild carbon monoxide poisoning.