Fever in patients can provide an important clue to the etiology of a patient's symptoms. Non-invasive temperature sites oral, axillary, temporal may be insensitive due to a variety of factors. This has not been well studied in adult emergency department patients.
Show less Rectal thermometer usage is usually limited to taking a baby's temperature, but this method also may be used on aging adults who are ill. Doctors say that taking rectal temperature is the most accurate, especially for children under the age of four or anyone else who cannot cooperate in the taking of an oral temperature.
A rectal thermometer is shown in Figure 2. Wash your hands and put on gloves. For infants, lie them down in a supine position and raise their legs up toward the chest.
But how important is it to get super-precise temperatures? They found that rectal thermometers were highly accurate. Peripheral thermometers were further off, with oral thermometers doing best among the runners-up. But does a degree or two one way or the other really matter?
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Jump to content. You can take a temperature using the mouth oralanus rectalarmpit axillaryor ear tympanic. But the temperature readings vary depending on which one you use, and you need an accurate body temperature to determine if a fever is present.
While you often can tell if your child is warmer than usual by feeling his forehead, only a thermometer can tell how high the temperature is. Even if your child feels warmer than usual, you do not necessarily need to check this temperature unless he has other signs of illness. Mercury thermometers should not be used.
Fever strips and pacifier thermometers do not give an accurate temperature. Do not use a mercury thermometer. Mercury is toxic and the thermometer could break.