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Body temperature is a critical vital sign and an essential task for nursing assistants. This guide provides an overview of body temperature measurement, including definitions, normal value ranges, and various types of clinical thermometers (glass, electronic, digital, disposable oral, and tympanic). It outlines proper measurement techniques using the mouth, ear, rectal, or axillary areas, and emphasizes the importance of cleaning glass thermometers between uses. Accurate documentation of temperature readings is also highlighted to ensure patient safety and record-keeping.
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Unit 18 Body Temperature
Objectives • Spell and define terms. • Name and identify the three types of clinical thermometers and their uses. • Read a thermometer. • Identify the range of normal values.
Introduction • Body temperature is one of the vital signs • Measuring body temperature is a common nursing assistant task
Temperature Values • Temperature values may be expressed in either of two scales: • Fahrenheit scale (F) • Celsius scale(C)
Definition of Body Temperature • Temperature is the measurement of body heat • It is the balance between heat produced and heat lost
Measuring Body Temperature • Temperature is usually measured in one of four body areas: • Mouth • Ear • Rectal • Axillary or groin
Clinical Thermometers • A patient’s temperature is determined by using a clinical thermometer: • Glass clinical thermometer • Electronic thermometer • Digital thermometer • Disposable oral thermometer • Tympanic thermometer
Cleaning Glass Thermometers • Glass thermometers are reusable • They must be cleaned and disinfected between uses
Documentation • In many facilities • Temperatures are recorded on a temperature clipboard • They are then transferred to the individual patient charts