Core temperature is a measure of the temperature of the body’s internal organs. It is a critical indicator of overall health and can be used to diagnose a variety of conditions, including infections, heatstroke, and hypothermia. Core temperature is typically measured using a rectal thermometer, which is inserted into the rectum. Other methods of measuring core temperature include using an oral thermometer, a tympanic thermometer (which measures the temperature of the eardrum), or an axillary thermometer (which measures the temperature of the armpit). Core temperature can also be estimated using a non-invasive infrared thermometer, which measures the temperature of the skin’s surface. However, rectal thermometers are considered the most accurate method of measuring core temperature.
It is important to note that core temperature can fluctuate throughout the day, depending on a variety of factors, including activity level, time of day, and ambient temperature. Core temperature is typically highest in the afternoon and lowest in the early morning. It is also important to note that core temperature can be affected by certain medical conditions, such as fever and hypothermia. If you are concerned about your core temperature, it is important to consult with a healthcare professional.