Respiratory Cases II

67 yo female with extreme respiratory distress

Which of the following is the most likely diagnosis?

Fifteen minutes after the patient is placed on the nonrebreathing mask, arterial blood gases are drawn with the following results:

pH 7.48
PaCO2 32 mmHg
HCO3 24 mEq
PaO2 62 mmHg
SaO2 93%
Hgb 14.4 gms

He is given Captopril and furosemide.

Page ID is 207