Review Question - QID 213206

A 42-year-old woman presents to the emergency department with pain in her abdomen. She was eating dinner when her symptoms began. Upon presentation, her symptoms have resolved. She has a past medical history of type II diabetes mellitus, hypertension, heavy menses, morbid obesity, and constipation. Her current medications include atorvastatin, lisinopril, insulin, metformin, aspirin, ibuprofen, and oral contraceptive pills. She has presented to the ED for similar complaints in the past. Her temperature is 98.1°F (36.7°C), blood pressure is 160/97 mmHg, pulse is 84/min, respirations are 15/min, and oxygen saturation is 98% on room air. Physical exam and abdominal exam are unremarkable. The patient is notably obese and weighs 315 pounds. Cardiac and pulmonary exams are within normal limits. Which of the following is the best prophylactic measure for this patient?