The nurse wants to promote safety for a male client who wants to know if he can use dry heat instead of warm moist compresses for home therapy. Which is the most important information the nurse uses to formulate a response?
1. Moist heat decreases insensible fluid loss.
2. Dry heat is usually easier for clients to manage.
3. Dry heat maintains temperature changes longer.
4. Moist heat penetrates much deeper into the tissue.
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4. The most important information to promote client safety involves preventing burn injuries, the major risk of heat therapy, so the nurse applies knowledge about the deep, penetrating nature of moist heat and, because of this, the increased likelihood of a burn injury. With this information, the nurse instructs the client to limit exposure to the heat, to check the site before and after therapy, and to discontinue therapy if the site remains red, becomes painful, or develops blisters or edema. Using self-care, clients are usually at less risk using dry heat than moist heat as long as clients are fa-miliar with electrical safety.
1. Moist heat decreases insensible fluid loss because it is less likely to cause diapho-resis. Diaphoresis excretes fluid and electrolytes to provide cooling from evaporation. Insensible fluid losses usually are not a significant threat to a client unless the client has a severe fluid and electrolyte problem or has impaired thermoregulation.
2. Dry heat is easier for clients to manage but the convenience of dry heat can in-crease the overall risk of client injury if the dry heat is misapplied such as reclining on dry heat or falling asleep with dry heat.
3. Dry heat does maintain temperature changes longer, but the heat does not penetrate as deeply as moist heat; thus, the risk of injury from dry heat is less than the risk from moist heat.
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