A 57-year-old patient with severe COPD enters the emergency…

A 57-year-old patient with severe COPD enters the emergency department with shortness of breath. Room air ABG levels are as follows: pH 7.44 PaCO2 49 mm Hg PaO2 47 mm Hg HCO3 37 mEq/L BE +12 mEq/L On the basis of this information, which of the following is the most appropriate O2 therapy?

A patient is admitted through the Emergency Department with…

A patient is admitted through the Emergency Department with a diagnosis of CO poisoning. ABGs, which are drawn with her breathing room air, show the following: pH 7.31 PaCO2 32 torr PaO2 85 torr HCO3– 15 mEq/L BE -9 mEq/L Based on this, what change should be recommended?