RN MSN Heat Illness A. Thermoregulation 1. B. Heat acclimatization - requires two or more weeks for maximal development 1. Cardiovascular adaptations - increased maximal cardiac output, decrease peak heart rate, increased stroke volume 2. Na and Cl concentration and increased volume of sweat produced 4.
Pure forms are rare - most cases involve mixed water and salt depletion.
Fluid and electrolyte replacement should be based on lab results and vital signs. Dehydration - classically occurs when the supply of water is limited. CNS symptoms include hyperventilation, paresthesias, tetany, agitation, hysteria and muscle incoordination. May see delirium, fever, and coma. If untreated, may end in heat stroke.