A 55-year-old man with recent onset of atrial fibrillation presents with a cold, pulseless left lower extremity. He complains of left leg paresthesia and is unable to dorsiflex his toes. Following a successful popliteal embolectomy, with restoration of palpable pedal pulses, the patient is still unable to dorsi- flex his toes. The next step in management should be
Electromyography (EMG) Measurement of anterior compartment pressure Elevation of the left leg Immediate fasciotomy