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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. Medical literature shows the practice dating back to at least the 18th century, and it is probable that rectal thermometry was thought to be a safer alternative to oral temperature-taking, due to the use of mercury and other toxic chemicals in ...
A medical thermometer or clinical thermometer is a device used for measuring the body temperature of a human or other animal. The tip of the thermometer is inserted into the mouth under the tongue (oral or sub-lingual temperature), under the armpit (axillary temperature), into the rectum via the anus (rectal temperature), into the ear (tympanic temperature), or on the forehead (temporal ...
A mercury thermometer should be inserted for 3 to 5 minutes; a digital thermometer should remain inserted until it beeps. Normal rectal temperature generally ranges from 36 to 38 °C (97 to 100 °F) and is about 0.5 °C (32.9 °F) above oral (mouth) temperature and about 1 °C (34 °F) above axilla (armpit) temperature.
Forehead thermometer is an example of a liquid crystal thermometer. Rectal and oral thermometers have typically been mercury but have since largely been superseded by NTC thermistors with a digital readout. [59] Various thermometric techniques have been used throughout history such as the Galileo thermometer to thermal imaging. [45]
The knowledge of rectal administration is highest among groups of users of alcohol, stimulants and opioids, where over 30% of users are aware of it. [6] The reasons for rectal administration are largely the same as with medicinal drugs: Bypassing the first-pass effect, fast onset, and a relatively high bioavailability with some drugs. [7]
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Such thermometers are usually calibrated so that one can read the temperature simply by observing the level of the fluid in the thermometer. Another type of thermometer that is not really used much in practice, but is important from a theoretical standpoint, is the gas thermometer. Other important devices for measuring temperature include:
A woman has shared the “unfortunate sex mishap” she had on a first date which landed her in hospital. Alicia Davis, a popular Australian porn star from the Gold Coast, said she ended up in bed ...