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- Pyrexia (also named fever) is the altering upward of the thermoregulatory set point, often secondary to the systemic inflammatory response to a stimulus such as infection.
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What are the aetiologies of pyrexia of unknown origin?
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Fever or pyrexia is a process where normal body temperature is raised over homeostasis conditions. Although many effects of fever over the immune system have been known for a long time, it has not been until recent studies when these effects have been evaluated in several infection processes.
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- Pyrexia of unknown origin
The definition of pyrexia of unknown origin (PUO) dates back...
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Oct 15, 2010 · Summary points. Classic adult pyrexia of unknown origin is fever of 38.3°C or greater for at least 3 weeks with no identified cause after three days of hospital evaluation or three outpatient visits. Common causes are infections, neoplasms, and connective tissue disorders.
- George M Varghese, Paul Trowbridge, Tom Doherty
- 2010
Oct 3, 2016 · Background. Around 35 % of in-hospital patients will develop pyrexia [ 1 ], increasing up to 70 % amongst the critically unwell [ 2 ]. Pyrexia has long been thought of as a protective physiological response to help host defences, although this is now being challenged.
- James F. Doyle, Frédérique Schortgen
- 10.1186/s13054-016-1467-2
- 2016
- Crit Care. 2016; 20: 303.
SUMMARY POINTS. Classic adult pyrexia of unknown origin is fever of 38.3°C or greater for at least 3 weeks with no identified cause after three days of hospital evaluation or three outpatient visits Common causes are infections, neoplasms, and connective tissue disorders.
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Nov 1, 2021 · Pyrexia or fever of unknown origin is defined as prolonged fever in an immunocompetent patient that has an unknown cause despite standard investigations. Infections, non-infectious inflammatory diseases, malignancy and other diseases can all cause pyrexia of unknown origin.
Nov 1, 2021 · Pyrexia or fever of unknown origin is defined as prolonged fever in an immunocompetent patient that has an unknown cause despite standard investigations. Infections, non-infectious inflammatory diseases, malignancy and other diseases can all cause pyrexia of unknown origin.