Your Patient Is a 23-Year-Old Woman Who Was Rescued from a Burning

Your patient is a 23-year-old woman who was rescued from a burning house. She was asleep in a back bedroom when the fire started, and there was no smoke alarm. She has a pulse oximetry reading of 99 percent after receiving oxygen by nonrebreather mask. What is the most appropriate interpretation of this finding?

A) Effects of smoke inhalation have been resolved by oxygen administration.
B) You cannot rely on this alone to assess oxygenation.
C) There was minimal smoke inhalation.
D) Carboxyhemoglobin is less than 1 percent.