A 33-year-old female presents to the emergency department for the complaint of abdominal pain that has been present for the last month. During her workup, she has an ECG completed. She denies any shortness of breath, palpitations, orthopnea, dyspnea on exertion, syncope, weakness, or headaches. On physical exam, she is alert, awake, and in no distress. Her vital signs are as follows: temperature is 98.9, pulse is 100, respiratory rate is 18, and blood pressure is 132/90. Her HEENT is within normal limits, her neck is supple with a slightly enlarged thyroid that is non-tender without nodules, her lungs are clear, and cardiac is a regularly irregular rhythm. Based on these findings, what is the best therapy for this patient?