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hot and cold application.ppt

This document discusses hot and cold applications in nursing. Hot applications involve applying heat to the body and are generally recommended after 48 hours of injury. They can decrease pain, relax muscles, promote healing, and relieve deep infections. Cold applications involve applying something cooler than the skin and can reduce pain, prevent edema and inflammation, control hemorrhages, and reduce body temperature. The document outlines appropriate temperature ranges for hot and cold applications and their therapeutic uses, contraindications, complications, and general instructions.

Healthcare◦
1 Fundamental of Nursing Hot and Cold Applications Dr; mosa alfageh
Definition Hot application is the application of hot agent, warmer than skin either in a moist or dry form on the surface of the body Heat is generally recommended to begin after 48 hours after the onset of injury Cold application is the application of cold agent, cooler than skin either in a moist or dry form on the surface of the body
 Temperature of heat application Warm 37 – 40 °C Hot 40 – 46 °C Very hot more than 46 °C  temperature of cold application Cool 18 – 27 °C Cold 15 – 18 °C Very cold below 15 °C 3
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Therapeutic Uses of Local Hot Applications  Heat decreases pain and relaxes muscles  Heat promotes healing  Heat relieves deep suppuration  Heat provides warmth  Heat stimulates peristalsis Therapeutic Uses of Local Cold Applications  Cold reduce the pain  Prevents edema and reduce inflammation  Controls hemorrhages  Reduce the body temperature  Cold anaesthetize an area
Principles of Hot and Cold Applications 1. Water is good conductor of heat. 2. Heat always flows from hotter area to the less hot area. 3. Prolong exposure to moisture increases the skin susceptibility to maceration and skin breakdown, reducing the protection of the intact skin 4. Moisture left on the skin cause rapid cooling due to evaporation of the moisture. 5. Presence of steam increases the temperature of the hot application 6. Oil acts as the insulator and delays the transmission of the heat. 7. Woolen materials absorb moisture slowly, but hold the moisture longer and cold off less quickly than the cotton materials. 8. The temperature tolerance varies with individuals and according to the site and area covered . 9. The end organs of the sensory nerves of the skin convey the sensation of cold, heat pain and pressure. The sensation is interpreted in the brain. 10. Friction produces heat.
Contraindications of Hot Applications Heat is not used in malignancies Heat is not used in patients with heart, kidney and lung diseases Should not used in acute inflamed areas. Should not be applied on patients with paralysis. Should not be applied on open wounds Should not be applied on very young and very old patients. Should not be applied on clients with high temperature. Contraindications of Cold Applications Cold should not be applied on clients who are in the stage of shock and collapse Cold should not be applied when there is edema. Cold should not be applied on clients with circulatory disorders. Cold should not be applied on patients with decreased sensation Patients with shivering and very low temperature, Cold should not be applied when there is infected wound.
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Complications of Hot and Cold Applications
General Instructions  Asses the condition the clients before and after the hot and cold applications.  Maintain the correct temperature for the entire duration of the application  Expose the client only to the safe temperature.  Do not allow the clients to adjust the temperature control of appliance such as short wave diathermy, electric heating pads etc.  Never ignore the complaints of clients however small they appear to be.  Always make sure that the client is in position to remove the application  The client must have a calling signal within reach  Never leave a client alone even for a short period that cannot move from the appliances.  A thin layer of petroleum jelly or oil should be applied to the skin prior the application of moist heat application.  Do not use electrical appliances near to open oxygen. A small spark may cause explosion.  Do not handle electrical appliances with the wet hands.  Hot and cold applications must be very carefully used when the clients is unconscious, anaesthetized or otherwise unable to respond pain.  Any signs of complications should be recognized early, the procedure should be stopped immediately.  After the procedure, dry the part gently by patting and not by rubbing to remove the moisture.  In hyperpyrexia, the temperature of the body should be brought down gradually and steadily, sudden cooling is dangerous to the client.