Fever in a hospitalized patient: Difference between revisions

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== Background ==
==Background==


===Definition===
===Definition===
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*Infectious
*Infectious
**[[Sinusitis]]
*Non-infectious
*Non-infectious
**Inflammatory diseases
**Inflammatory diseases

Revision as of 03:06, 15 March 2021

Background

Definition

  • Core temperature >38.3ΒΊC

Pathophysiology

  • Pyrogenic fever is caused by endogenous (IL-1, IL-6, TNF-alpha) or exogenous (from a microbe) pyrogen compounds
    • Either direct action or cytokine production that stimulates the organum vasculosum of the lamina terminalis (OVLT) in the hypothalamus
  • Neurogenic fever
  • Decoupling of oxidative phosphorylation, as in drug-induced fever

Differential Diagnosis

  • Infectious
  • Non-infectious
    • Inflammatory diseases
    • Drug-induced, including ß-lactam antibiotics, sulphonamides, antipsychotics, propofol
    • Traumatic brain injury or ischemic brain injury
    • Endocrine fever