The thermometer has a. Above 1031f 395c is a high fever. Taking a rectal measurement is the most reliable way to obtain a core temperature value. Types of instruments used in measuring body temperatures oral thermometer. Result variation with this type of measurement is low and the precision is particularly high. Armpit temperatures are usually the least accurate.
In the rectum rectal temperature in the mouth oral temperature under the arm axillary temperature in the ear tympanic temperature on the skin of the forehead over the temporal artery. When people think of a thermometer they may think of the traditional glass thermometer placed in the. Tympanic thermometers are used by inserting the thermometer into the ear. The normal temperature range is approximately between 366 c and 380 c. These measurements are most commonly used as a reference standard. There are various types of medical thermometers as well as sites used for measurement including.
Above 1058f 41c is a very high fever. In adults the following temperatures suggest that someone has a fever. This type of measurement can be slightly more inconvenient as compared to the oral measurement. These thermometers can be used in the rectum mouth or armpit. At least 1004f 38c is a fever. The normal body temperature when measured orally should show 986 degrees fahrenheit.
Rectal temperatures provide the best readings for infants especially those 3 months or younger as well as children up to age 3. The readings obtained from this technique are fairly inaccurate. Regular digital thermometers use electronic heat sensors to record body temperature.