Tympanic method is preferred method
Hold the thermometer in place until 5 to 30 seconds
Gently pull the ear up and back in adult
Return the instrument to its charger
Gently clean sensor with alcohol swab, return to storage unit
To have a better access to the tympanic membrane
To obtain accurate reading.
Because it's non invasive
To reduce the infection transmission
To maintain battery charge of thermometer unit