<prompt> Answer this question truthfullyWhich medication is most likely responsible for weight gain, constipation, dry skin, and elevated liver function tests LFTs in a patient being treated for hypertension, left ventricular systolic dysfunction, and persistent atrial fibrillation?  <response>: <reason> Amiodarone is the medication that is most likely responsible for weight gain, constipation, dry skin, and elevated LFTs in a patient being treated for hypertension, LV systolic dysfunction, and persistent atrial fibrillation. 