A 24-year-old man is intoxicated and unresponsive; his lips are blue and his skin is cold. What should you suspect?

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Multiple Choice

A 24-year-old man is intoxicated and unresponsive; his lips are blue and his skin is cold. What should you suspect?

Hypothermia is the clue here. Intoxication can blunt the body's ability to sense cold and to maintain temperature, so in a cold environment a person can become hypothermic quickly. The combination of unresponsiveness with cold skin and blue-tinged lips points to inadequate core temperature and poor tissue oxygenation from the cold, rather than conditions like hyperglycemia, head trauma, or abdominal trauma, which don’t specifically explain the cold, cyanotic skin in this scenario. In hypothermia, the body constricts blood vessels to preserve core heat, leading to very cold, bluish skin even if the person isn’t in obvious distress from other injuries.

Hypothermia is the clue here. Intoxication can blunt the body's ability to sense cold and to maintain temperature, so in a cold environment a person can become hypothermic quickly. The combination of unresponsiveness with cold skin and blue-tinged lips points to inadequate core temperature and poor tissue oxygenation from the cold, rather than conditions like hyperglycemia, head trauma, or abdominal trauma, which don’t specifically explain the cold, cyanotic skin in this scenario. In hypothermia, the body constricts blood vessels to preserve core heat, leading to very cold, bluish skin even if the person isn’t in obvious distress from other injuries.

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