Review Question - QID 211309

A 33-year-old male construction worker falls 10-feet from a roof and lands on his left leg, with immediate pain, swelling, and inability to bear weight. On examination, there is considerable swelling about the left knee and calf. Langer's lines are not visible over the knee. Dorsalis pedis and posterior tibial artery pulses are 2+, and Ankle Brachial Index is 0.98. There is no pain with passive stretching of the anterior, lateral, deep posterior, or superficial posterior compartment muscles. Current imaging is shown in figures A and B. What is the most appropriate next step in the management of this patient's injury?