MG26
Fever of other or unknown origin
Febre de origem desconhecida ou de outra origem
CategoryDefinition
Fever of unknown origin is defined by the following criteria: 1) temperatures of >38.3°C on several occasions; 2) a duration of fever of >3 weeks; 3) failure to reach a diagnosis despite 1 week of inpatient investigation.
Diagnostic Criteria
1) temperatures of >38.3°C on several occasions;
2) a duration of fever of >3 weeks;
3) failure to reach a diagnosis despite 1 week of inpatient investigation.
Exclusions
- fever of unknown origin in newborn
- Malignant hyperthermia due to anaesthesia
Index Terms
Fever of other or unknown originfebrilefebrisfeverfeverishhigh body temperaturehyperthermiahyperthermicincreased body temperaturepyrexiafever NOSraised body temperaturePyrexia NOSephemeral feverelevated body temperatureFUO - [fever of unknown origin]hyperpyrexiaHyperpyrexia NOShyperpyrexia of unknown originmalignant hyperthermiaPUO - [pyrexia of unknown origin]fever, unspecifiedintermittent fever of unknown originCentral feverDrug-induced feverdrug fevermedicament-induced feverAcute febrile syndromeOther specified feverFever with chillsFever with rigorsPersistent feverpersistent pyrexia