Review Question - QID 210763

A 54-year-old man with a past medical history significant for hypertension, type 2 diabetes, and chronic obstructive pulmonary disease presents with complaints of nausea and abdominal pain for the past month. The pain is located in the epigastric region and is described as “burning” in quality, often following food intake. The patient denies any changes in bowel movements, fever, or significant weight loss. Medications include metformin, lisinopril, hydrochlorothiazide, albuterol inhaler, and fluconazole for a recent fungal infection. Physical examination was unremarkable except for a mildly distended abdomen that is diffusely tender to palpation and decreased sensation at lower extremities bilaterally. A medication was started for the symptoms. Two days later, the patient reports heart palpitations. An EKG is shown below. Which of the following is the medication most likely prescribed?