Review Question - QID 213585

A 63-year-old man is brought into the emergency department after being found unconscious on the sidewalk. He is difficult to arouse with a Glasgow Coma Score of 10. After naloxone is administered, the patient wakes up screaming in pain from his left forearm. He does not recall any trauma to his arm and denies any intravenous drug use. He states that he did not have this pain prior to losing consciousness. On exam, his temperature is 99.0°F (37.2°C), blood pressure is 150/96 mmHg, pulse is 98/min, and respirations are 14/min. Examination of his upper extremity reveals a tight forearm with exquisite tenderness to palpation. Pulses at the radial artery, ulnar artery, palmar arch, and all digital arteries in the left hand were appreciated on Doppler. Which of the following is typically the latest finding for this type of disease course?