Acute Gout Diagnosis Rule
Seven yes/no criteria; ≥4 present supports acute gout diagnosis in validation studies.
Calculator
How it works
The Janssens acute gout rule uses seven clinical features. A count of ≥4 had high sensitivity and specificity for acute gout in the original study.
Limits
Does not replace synovial fluid crystal identification; atypical presentations may be missed.
Educational tool only—not for diagnosis or treatment decisions.