The incidence of fever is common amongst ICU patients.
● Fever is the body’s host defense mechanism. Although it is commonly associated with infections, the
relationship between infection and elevation of body’s temperature is poorly understood. The main
dilemma in this situation is to exclude non-infectious causes of fever and then, to determine the site
and likely pathogens of the identified infections.
● ICU patients frequently have multiple etiologic factors that cause fever, necessitating a systematic
diagnostic approach.
Moving on, we will define fever and explore different methods to measure a patient’s body temperature.

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