Why Is Tympanic Temperature More Accurate?

Infrared tympanic membrane thermometers are considered ideal because the tympanic membrane and the hypothalamus share an arterial blood supply originating from the carotid artery; therefore, the tympanic membrane is considered to directly reflect core temperature [10].

Is tympanic temperature more accurate than oral?

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. ... An ear (tympanic) temperature is 0.5°F (0.3°C) to 1°F (0.6°C) higher than an oral temperature.

Is a tympanic temperature accuracy?

Tympanic thermometers, or digital ear thermometers, use an infrared sensor to measure the temperature inside the ear canal and can give results within seconds. If a person uses it correctly, the results will be accurate. However, ear thermometers may not be as accurate as contact ones.