Core temperature reflects the temperature of the internal organs. Proper temperature
measurement is essential to diagnose and treat temperature impairment in patients. However, an
accurate approach has yet to be established. Depending on the method used, the obtained values
may vary and differ from the actual core temperature. There is an ongoing debate regarding the
most appropriate anatomical site for core temperature measurement. Although the measurement of
body core temperature through a pulmonary artery catheter is commonly cited as the gold standard,
the esophageal temperature measurement appears to be a reasonable and functional alternative in
the clinical setting. This article provides an integrative review of invasive and noninvasive body
temperature measurements and their relations to core temperature.

Authors:

Hubert Hymczak, Aleksandra Gołąb , Konrad Mendrala, Dariusz Plicner, Tomasz Darocha,
Paweł Podsiadło, Damian Hudziak, Radosław Gocoł and Sylweriusz Kosiński