FORT WORTH (CBSDFW.COM) – MedStar said it is prepared for a long week, expecting an increase in heat-related illness calls to come along with the high temperatures and higher heat indices.

By 7:00 p.m. on Monday, June 14, seven people were taken to local hospitals, with two in critical condition and two in serious condition.

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Last weekend, MedStar had a total of 16 heat-related calls with 12 people taken to the hospital, six in serious condition and two critical.

“These temperatures, on a daily basis when they get as hot as they are, or life-threatening, result in anything from heatstroke to death,” said John Hamilton, a MedStar Operations Supervisor.

Monday’s temperatures across North Texas were in the high 90s, bringing the heat index to at least 105 degrees.

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That’s the number it takes to activate their extreme weather response, meaning lights and sirens are used on any heat-related call.

“This is an order to arrive quicker to somebody that may be out in the elements to avoid hopefully what doesn’t become a life threatening incident,” Hamilton said.

MedStar said it’s important for North Texans’ to realize how common heat-related illness can be and that anyone planning on being in the sun for more than an hour or so, needs to prepare.

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“You need to take frequent breaks and frequent water brakes as well. Don’t exert yourself. Seek the shade when you can,” Hamilton said.

Nicole Nielsen