Pain clinic looks at the "single digit sign".
Goldberg
J S
JS
D015746:Abdominal Pain / Q000175:diagnosis*; D002637:Chest Pain / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005385:Fingers; D006801:Humans; D010147:Pain Measurement / Q000379:methods*; D016353:Self-Examination / Q000379:methods*