Exertional heat illness and hyponatremia in hikers.

  title={Exertional heat illness and hyponatremia in hikers.},
  author={Howard D Backer and E Shopes and Sally L. Collins and Howard E Barkan},
  journal={The American journal of emergency medicine},
  volume={17 6},
We compared clinical presentation and course of exercise-associated hyponatremia with heat exhaustion among summertime hikers in Grand Canyon National Park. Cases were selected from among hikers who requested medical help from the National Park Service Emergency Medical Service (EMS) or who presented to the medical clinic on the rim of the canyon with complaints related to exercise in the heat. Of 44 patients who had serum samples analyzed, 7 had hyponatremia with clinically significant… CONTINUE READING


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