What heat stress injury is indicated by hot, dry skin and bizarre behavior?

• A. Heat stroke
• B. Heat exhaustion
• C. Heat cramps
• D. Hypothermia

Answer: (A)

Hot, dry skin with bizarre behavior signals heat stroke, a medical emergency where the body's ability to regulate temperature fails and the brain is affected. The core temperature rises rapidly, and mental status can become confused, agitated, or unconscious. Skin can be very hot and dry because sweating has stopped or is minimal, which helps distinguish it from other heat-related injuries.

This differs from heat exhaustion, where the person usually sweats a lot, has cool or clammy skin, dizziness, and fatigue but maintains better mental function. Heat cramps are marked by painful muscle spasms, typically in the legs or abdomen, with sweating but without significant confusion. Hypothermia involves a dangerously low body temperature with cold skin and shivering, not the hot, dry profile seen here.

If this is observed, seek emergency help immediately, move the person to a cooler environment, remove excess clothing, and begin rapid cooling with cool water or fans. Apply ice packs to the neck, armpits, and groin if available, and monitor the person’s consciousness. If they are awake and able to swallow, offer small sips of water unless there’s any risk of choking.