This is because medical infrared thermometers cover a limited temperature range of around 10c20f suitable for detecting the body temperature whose range is about 3243c90110f which achieves higher accuracy accuracy tolerance of 03c06f. Body temperature should be measured on admission and four hourly with other vital signs unless clinically indicated for more frequent measurements. Systems used for body temperature measurements for triage use for the duration of the public health emergency declared by the secretary of health and human services hhs on january 31 2020. The normal oral temperature for a child is between 976 and 993 f 364 and 374 c. Pulmonary artery pa temperature is considered the gold standard for measuring core body temperature fulbrook 1993. Use in a draft free space and out of direct sun or near radiant heat sources.
Body temperatures falling outside normal ranges should be monitored and further managed where appropriate until normothermia is achieved. Body temperature changes slightly through the day and night and may change based on your activity. Normal body temperature readings will vary within these ranges depending on the following factors. Or to simplify things for the operator one could measure each subject and look for a normal temperature of 91f to 94f without making any adjustments or offsets. Measures oral rectal or armpit body temperature through the thermal expansion of mercury ethanol as mercury spill is hazardous to environment and health the use of mercury thermometer should be avoided as far as possible. Instructions will typically include recommendations for optimal use such as the following.
A persons age and sex the time of day typically being lowest in the early morning and highest in the late afternoon high or low activity levels food and fluid intake for females the stage in their. Other invasive methods include esophageal rectal and bladder measurements. Generally measuring an employees body temperature is a medical examination the eeoc stated. Determine if conditions are optimal for use. Furlong et al 2015 as mixed venous blood temperature reflects thermoregulation by the hypothalamus. The americans with disabilities act ada prohibits medical examinations unless they are job.
A higher reading might indicate a fever. Thermometer should be reset by shaking the mercury ethanol level down below 35c 95f each time before using. Typically the environmental temperature should be between 608 104 ºf. Still such a scan could not be regarded as a reliable absolute measurement of core body temperature only a scanning or screening indication. The normal oral temperature for older persons is 982 f 368 c. The normal oral temperature for adults is about 986 f 37 c.