Variable degree of changes occur in body temperature during anaesthesia and surgery. Attenuation of normal homeostatic thermoregulation occurs during the course of anaesthesia and surgery, which may impose large thermal stress. In addition various other factors contribute towards these hypothermic changes, can be minimised by operating in warm theatre. Critical theatre temperature is about 21C, warm intravenous fluids, metal foil reflective space blanket , cardiac output support, radiant heat cradle and woollen blanket etc. can be used. The changes in body temperature may be detrimental to the patient`s status, therefore to understand the normal thermoregulation and the factors which may affect this process during anaesthesia is very important. This is a Special Communication.
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