Experts say the best thing to do is to move to a cool place, loosen clothing and sip some water. Other signs include heavy sweating, nausea, muscle cramps, weakness and dizziness. With heat exhaustion, the body can become cold and clammy. In the case of heat stroke, experts suggest calling 911 and trying to lower the person's body temperature with cool, wet cloths or a cool bath. If things get really bad, then you start to not be perfusing your brain the same way.”Įxperts say it's important to recognize the signs of heat stroke in others, as people may not realize the danger they're in because of an altered mental state that may involve confusion. “And then you can start to have organ damage where your kidneys don’t work, your spleen, your liver. “So one of the first things that happens is, your muscles start to feel tired as your body starts to shunt away,” he said. Important electrolytes like sodium and potassium also can be lost when sweating. And the more a person breathes, the more they lose fluids, becoming increasingly dehydrated.
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Jon Femling, an emergency medicine physician and scientist at the University of New Mexico, said the body tries to compensate by pumping blood to the skin as a way to cool off. Headaches set in, along with nausea, confusion and even fainting.
The skin gets hot and red, and the pulse quickens as the person's body temperature climbs to 103 F (39 C) or higher. Heat stroke is the most serious heat-related illness and happens when the body loses its ability to sweat. is expected to experience higher temperatures and more intense heat waves. With so many consecutive days of excessive heat, forecasters, physicians and local health officials throughout the Southwest are recommending that people limit their outdoor exposure and know the warning signs of heat illness.įrom heavy sweating and dizziness to muscle spasms and even vomiting, experts say heat exhaustion and heat stroke are likely to become more common. Even the morning low temperatures are tying historic records.Īlong the U.S.-Mexico border, federal agents reported that extreme temperatures over the weekend contributed to 45 people being rescued and another 10 dying. The metro Phoenix area is on track to tie or to break a record set in the summer of 1974 for the most consecutive days with the high temperature at or above 110 degrees Fahrenheit (43 Celsius). is bracing for another week of blistering temperatures, with forecasters on Monday extending an excessive heat warning through the weekend for Arizona's most populated area, and alerting residents in parts of Nevada and New Mexico to stay indoors.
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