AppyRisk

Appendicitis Risk Calculator

30°C 43°C
0 50 ×10⁹/L
0 50 ×10⁹/L
62.5%
0 450 mg/L

Clarity Checklist

Track key assessment steps for appendicitis evaluation

⚠️ Disclaimer: This checklist is based on clinical guidelines and is for research/educational purposes only. It should not replace clinical judgment or established institutional protocols and cannot be used for diagnostic, treatment or discharge decisions.

Step Low Risk Medium Risk High Risk Completed
STEP 1: Risk Stratification
a) What is the calculated risk score?
b) Based on clinical assessment of medium-high risk patients, is appendicitis likely?
Female AAS ≤8
Male AIRS ≤2
Female AAS ≥9
Male AIRS ≥3
Indeterminate
Female AAS ≥9
Male AIRS ≥3
Likely Appendicitis
STEP 2: Care Pathway
Is the patient on an appropriate care pathway?
Consider discharge with worsening advice For symptom onset <24hours: consider ambulatory follow up
Ambulatory Review in 24hrs
Admit
STEP 3: Selective Imaging
Has appropriate imaging been considered?
For cases of clinical concern or upon re-attendance: refer to medium risk column
Consider LDCT if symptoms persist
Refer if alternate diagnosis suspected
Consider LDCT before surgery
STEP 4: Management
Did CT show evidence of appendicitis?
Yes - Treat Appendicitis
No - Consider discharge
Yes - Treat Appendicitis
No - Consider discharge For ongoing clinical concern: consider monitoring or referral
⚠️ Disclaimer: This calculator is for research or educational purposes only. Clinicians should evaluate data with their own knowledge prior to entry. This calculator does not in any way constitute a diagnosis or treatment advice.