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A child is super into the parachute games on the hill and is so busy they forget to drink water all morning. You notice the child is sweating profusely, seems to be staggering slightly, and generally confused to surroundings. WHAT NOW??
This child has heat exhaustion, which will progress into heat stroke if left untreated. Heat stroke is a medical emergency. Get the child out of the sun, and ensure they get hydrated while cooling off in an air conditioned building. They will not go outside until symptoms are resolved.