Correct usage of mercury thermometer

1. Axillary measurement method: Before measuring temperature, throw the sterilized mercury thermometer below 35℃. Hands should not touch the mercury end of the thermometer during measurement and reading. Sweat in the armpit should be wiped clean, and the armpit should be kept dry. Clamp the thermometer with the upper arm for more than 1 minutes.

2. Oral thermometry: The thermometer needs to be placed under the tongue, and the lips should be closed tightly when measuring, and the measurement time should be more than five minutes;

3. Anal thermometry: To insert half the length of the thermometer into the anus, the measuring time is generally more than five minutes.

When reading, the line of sight should be level with the tangent line of the mercury concave surface. If the measurement result is slightly higher than the normal range, it is necessary to measure again and take the average value to eliminate the measurement error.