A 26-year-old soldier was found in his barrack room unresponsive, pulseless, and cyanotic. Cardiopulmonary resuscitation was initiated immediately. Severe airway edema was noted, prompting emergency cricothyroidotomy.

Resuscitative efforts resulted in the return of spontaneous circulation, and he was transferred to the nearest medical treatment facility. The soldier was unresponsive and pulseless for an unknown period of time. History Medical history: Previously healthy, no recent illnesses Habits: No alcohol, no drugs Medications: None, no over-the-counter supplements Physical examination General: Unresponsive upon presentation Vital signs: Blood pressure 159/84 mmHg, pulse 84 beats per minute; core temperature 99.1° F Labs and imaging Evidence of transaminitis and acute kidney injury Aspartate aminotransferase: 203 U/L Alanine transaminase: 350 U/L Blood urea nitrogen: 66 mg/dL…