Rectal thermometry is taking a person's temperature by inserting a thermometer into the rectum via the anus. Thus, it is often used sparingly and primarily on infants, children, or adults for whom taking an oral temperature would risk injury e. The precise history of rectal thermometry is largely unknown, but medical thermometers have long been made in a tube shape that fits into the anus.
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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.
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?
Jump to content. Body temperature is a measure of your body's ability to make and get rid of heat. The body is very good at keeping its temperature within a safe range, even when temperatures outside the body change a lot.
Fever may be an indicator of illness. The three best ways to measure body temperature are rectally, orally, or with a tympanic thermometer ear. In infants under 3 months old, only take a rectal temperature.
For the best experience on htmlWebpackPlugin. 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.
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A rectal thermometer is the most accurate way to take a temperature. Author: Healthwise Staff. Medical Review: Susan C.
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. To determine whether emergency department triage temperatures detected fever adequately when compared to a rectal temperature.