6. Some Useful Information
As ambient temperature, sweat, or saliva easily affects body temperature measured under the arm or the tongue, readings may be lower than the core temperature.
Tympanic temperature measurement accurately reflects the brain temperature and can lead to a quicker detection of fever.
Infrared sensor | Infrared rays |
Eardrum/Measure point
Eardrum
External auditory canal
In order to make a correct judgement of suspected fever conditions, it is important to learn the normal temperatures of family members by measuring their temperatures when they are in good physical condition.
The temperature measured in the ear is different to that measured rectally.
Please use the normal as the standard for understanding the temperature difference during fever.
One speaks of normal body temperature if the measurement value lies within a certain range. Body temperature varies however according to age.
| Age | Normal ear temperature in °C and °F | |
| Babies | 36.4°C - 37.5°C | 97.5°F - 99.5°F |
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| Children | 36.1°C - 37.5°C | 97°F - 99.5°F |
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| Teens/Adults | 35.9°C - 37.5°C | 96.6°F - 99.5°F |
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20 | Elderly | 35.8°C - 37.5°C | 96.4°F - 99.5°F |
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