arah is a 69-year old female that presented to the emergency department with shortness of breath. Her past medical history includes heart failure and COPD. Her pulse oximetry on room air is 82%. You notify the provider, and he orders oxygen at 4 L via nasal canula NC. Sarah’s chest x-ray reveals bilateral pneumonia. Her arterial blood gas result are below:
58 mm Hg
78 mm Hg
Sarah is admitted to a general medical floor. You are the nurse assigned to Sarah.