You assess a 55-year-old male patient who is a candidate for…

You assess a 55-year-old male patient who is a candidate for bariatric surgery. He is 175 cm, 120 kg and has arterial hypertension for which he takes ramipril. His wife tells you the patient snores during the night. His blood pressure (BP) is 125/75 mm Hg and pulse oximetry is 89% on room air. What is the MOST appropriate management of this patient?

A 56-year-old male with 30-pack year smoking history, CAD, a…

A 56-year-old male with 30-pack year smoking history, CAD, and advanced liver disease due to alcoholic cirrhosis is being evaluated for a liver transplantation. He complains of worsening shortness of breath. His heart rate is 110/min, blood pressure is 97/64 mm Hg, respiratory rate is 32/min, and saturation 90% on 5 L/min nasal cannula. When asked to sit up in bed, the patient states that he “usually breathes better” when lying supine.  Which of the following is the MOST likely pathophysiology behind the diagnosis?