Fever: Difference between revisions
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== Background == |
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=== Definition === |
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* Fever is a core body temperature ≥38ºC that occurs as a part of a febrile response (compared to [[hyperthermia]] which may be from any cause) |
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== Differential Diagnosis == |
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!Diagnosis |
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!Clinical Clues |
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|Infection |
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|Leukocytosis, sepsis, increasing oxygen requirements, altered mentation |
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|Venous thromboemoblism |
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|Swollen, tender arm or leg, increasing oxygen requirements |
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|Drug-related |
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|No improvement on antibiotics, compatible medication exposure |
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|Post-surgical |
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|Recent surgery, rule out surgical site infection |
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|[[Paroxysmal sympathetic hyperactivity]] |
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|Tachycardia, tachypnea, dystonic posturing, episodic, associated with stimulation, traumatic brain injury |
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|[[Neurogenic fever]] |
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|No other cause identified, hypothalamic injury, subarachnoid or intraventricular hemorrhage, recurrent, no improvement with treatment |
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Latest revision as of 01:10, 12 August 2020
Background
Definition
- Fever is a core body temperature ≥38ºC that occurs as a part of a febrile response (compared to hyperthermia which may be from any cause)
Differential Diagnosis
| Diagnosis | Clinical Clues |
|---|---|
| Infection | Leukocytosis, sepsis, increasing oxygen requirements, altered mentation |
| Venous thromboemoblism | Swollen, tender arm or leg, increasing oxygen requirements |
| Drug-related | No improvement on antibiotics, compatible medication exposure |
| Post-surgical | Recent surgery, rule out surgical site infection |
| Paroxysmal sympathetic hyperactivity | Tachycardia, tachypnea, dystonic posturing, episodic, associated with stimulation, traumatic brain injury |
| Neurogenic fever | No other cause identified, hypothalamic injury, subarachnoid or intraventricular hemorrhage, recurrent, no improvement with treatment |
