British journal of nursing (Mark Allen Publishing)
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Assessment of body temperature is important for decisions in nursing care, medical diagnosis, treatment and the need of laboratory tests. The definition of normal body temperature as 37°C was established in the middle of the 19th century. Since then the technical design and the accuracy of thermometers has been much improved. ⋯ Peripheral sites, such as the axillary and the forehead site, are not recommended as an assessment of core body temperature in adults. Frail elderly individuals might have a low normal body temperature and therefore be at risk of being assessed as non-febrile. As the ear site is close to the hypothalamus and quickly responds to changes in the set point temperature, it is a preferable and recommendable site for measurement of body temperature.
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As part of the ventilator care bundle, the Department of Health (DH) in the U. K. recommends the use of chlorhexidine (CHX) for oral care to prevent the occurrence of ventilator-associated pneumonia (VAP) in all mechanically ventilated patients. ⋯ This article reviews the available scientific evidence on the use of CHX in the prevention of VAP, with a focus on critically ill mechanically ventilated patients who have liver dysfunction. Findings will be discussed with reference to the wider research literature in order to make recommendations for future practice.