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Broad Causes of Fever
- Fever causes extend beyond infections to include rheumatologic, malignant, and drug-related reasons.
- Recognizing these broad causes helps avoid premature focus solely on infectious sources.
Framework for Fever Diagnosis
- Use a structured approach asking: who is the host, what exposures exist, what is the syndrome, and what doesn't fit.
- This framework simplifies the diagnostic process for fevers of unclear cause.
Know Your Patient Host
- Assess patient age, immune status, anatomic risk factors, and infection history when defining the host.
- These factors guide infection risk assessment and shape diagnostic priorities.