Review Question - QID 214654

A 75-year-old man with a past medical history of diabetes, hypertension, and multiple myocardial infarctions presents with severe heel pain that occurred while playing badminton. He states that he jumped and felt sudden pain over the posterior aspect of his left leg near his heel. Physical exam reveals tenderness over the left heel and just superior to this area. Plantar flexion reveals 2/5 strength on the left compared to the 5/5 strength on the right. The patient is able to ambulate with discomfort. A radiograph of the left ankle is performed as seen in Figure A. Which of the following is the most appropriate next step in management?