Measurement of Body Temperature

  • #x203A; Body temperature measurement is mainly indicated to confirm the presence or absence of fever.

  • › There remains considerable controversy among professionals regarding the most appropriate thermometer and the best anatomical site for temperature measurement.

  • › Medical staff should be aware of those clinical conditions that require accurate temperature measurement (e.g., febrile neutropenia) and those in which screening for fever may be adequate (maternal intrapartum).

  • › Core temperature is generally defined as the temperature measured within the pulmonary area.

  • › In an environment where ambient temperatures are stable (e.g., neonatal units), temperature recorded from the axilla is nearly as accurate that recorded from the rectal site.

  • › Although rectal temperature is a satisfactory reference standard for core temperature, it is reliable only if the body is in thermal balance and reacts slowly to changes in temperature.

  • › There is evidence to suggest that tympanic temperature accurately reflects pulmonary artery temperature even when body temperature is changing rapidly.


Core Temperature Tympanic Membrane Rectal Temperature Clostridium Difficile Infection Malignant Hyperthermia 
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