Signs and Evidence

Making clinical sense of scientific data

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Beware of the limitations of this tool

Blood and Circulation

Choose the relevant clinical signs you want to include in the calculation of posttest probabilities. The strongest signs are listed the highest.

Anamnesis

1Genital ulcer
2Vomiting
3Diarrhea
4Oral ulcer
5Nausea
6Fatigue - tired
7Headache


Clinical signs

8Lymphadenopathy - any



Select the conditions you want to compare

Pretest probabilities will be calculated based on averages from relevant studies.

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Sources used:

1.Wood E et al. Does this adult patient have early HIV infection?: The Rational Clinical Examination systematic review. JAMA. 2014 Jul 16;312(3):278-85