The difference between heat stress, exhaustion, and stroke:
Getty Images/iStockphoto—Olga Yastremska, New Africa, Africa Studiowarnings sweep the U.S., here is what you need to know about heat stress, heat exhaustion, and heat stroke.
A 90°F-day might be perfect for the beach. But once you start working your body, whether it’s mowing the lawn, going for a hike, or sprinting to catch the bus, your metabolism ramps up, burning fuel and raising your body’s core temperature. Your heart compensates by pumping blood away from your overheated organs to your skin, where dilating blood vessels can dissipate the heat with the help of evaporating sweat.
People suffering from heat stress should stop any activity, move to a cooler, shaded environment, and drink water or clear juice in slow sips. Cramps usually occur when the body has sweated too much, depleting water and electrolyte levels. Gatorade, Pedialyte, or other sports drinks can help replace lost fluids and electrolytes, but energy drinks should be avoided—the extra caffeine leads to greater dehydration.
Victims of apparent heat exhaustion should be immediately moved to a cool—air conditioned if possible—area, and encouraged to take small, frequent sips of cool liquids. Call 911 if the person cannot be taken to a medical clinic or emergency room. Remove shoes, socks, and any restrictive or heavy clothing, and bathe the head, face, neck, and wrists with water or cold compresses.is the most serious heat-related illness.
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