The AGNP is seeing a patient who has 30-pack-year smoking hi…

The AGNP is seeing a patient who has 30-pack-year smoking history. He reports a chronic cough with frequent sputum production, essentially daily, especially in the winter months, from October to March. Symptoms started when he was around 50 years old; he is now 54. Which of the following diagnoses does the NP suspect? 

A male patient (83-kg IBW) is intubated and ventilated with…

A male patient (83-kg IBW) is intubated and ventilated with PC-CMV, f = 12/min, set PIP = 28 cm H2O, resulting in a VT of 430 mL. The ABG results on this setting are: pH 7.35, PaCO2 45 mm Hg, and HCO 23 mEq/L. Forty-eight hours later on the same settings, the ABG results are: pH 7.54, PaCO2 27 mm Hg, and  HCO 21 mEq/L with an exhaled VT of 800 mL. The most appropriate action at this time is which of the following?