A nurse is caring for a client who presents with hyperthermia. Which intervention should the nurse implement?

Choice C rationale Hyperthermia often results in significant insensible fluid loss and dehydration, especially if caused by environmental factors or increased metabolic activity. Administering intravenous fluids is a critical intervention to restore intravascular volume, support cardiovascular stability, and promote cooling through improved peripheral perfusion. Hydration also helps maintain renal function, which can be compromised by myoglobinuria if muscle breakdown occurs. Normal saline or lactated Ringer's are typically used to correct these deficits and assist in lowering core temperature. Choice A rationale Applying a heating pad to the extremities is contraindicated in hyperthermia as it would further increase the patient's core body temperature. The goal of hyperthermia management is to facilitate heat loss, not heat gain. Heating the skin can also cause peripheral vasodilation that might lead to a drop in blood pressure if the patient is already dehydrated. Instead, cooling blankets or tepid sponges should be used to encourage heat dissipation through conduction and evaporation. Choice B rationale While antipyretics are used for infectious fevers, they are often insufficient or completely ineffective for environmental or drug induced hyperthermia. In cases of heat stroke or malignant hyperthermia, the underlying cause is not a change in the hypothalamic set point but an inability to lose heat or an excessive production of heat. Waiting for these medications to work without implementing active cooling measures can result in a dangerous delay in treatment, allowing the temperature to reach lethal levels. Choice D rationale Moving a client to a warm environment is the opposite of the required intervention. A patient with hyperthermia should be moved to a cool, shaded, or air conditioned environment to stop the external heat load. Keeping the patient in a warm area prevents the body from losing heat to the surroundings through radiation and convection. Effective management requires a temperature gradient where the environment is cooler than the body to facilitate the movement of heat away from the patient. .