Clinical use
Use this calculator for appendicitis likelihood scoring for right iliac fossa pain in theemergency medicine workflow. It is decision support and should be interpreted with the patient context, local protocols, and clinician judgment.
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Emergency Medicine
Alvarado Score (MANTRELS) Calculator
Appendicitis likelihood scoring for right iliac fossa pain
Calculate Alvarado
Interpretation
≤4: unlikely. 5-6: equivocal — image. 7-8: probable — surgical consult. 9-10: very high probability.
Required inputs
- Migratory Rif Pain
- Anorexia
- Nausea
- Rif Tenderness
- Rebound Tenderness
- Elevated Temperature
- Leukocytosis
- Left Shift
Evidence and limitations
This page cites 1 published reference. Confirm units and inclusion criteria before applying the output; calculators do not replace assessment, escalation, or local policy.
References
- Alvarado A. Ann Emerg Med 1986;15:557-564
Frequently asked questions
What is the Alvarado Score (MANTRELS)?
Alvarado Score (MANTRELS) is a clinical calculator used for Appendicitis likelihood scoring for right iliac fossa pain.
How do I interpret the Alvarado Score (MANTRELS)?
≤4: unlikely. 5-6: equivocal — image. 7-8: probable — surgical consult. 9-10: very high probability.
What inputs are required for the Alvarado Score (MANTRELS)?
Required inputs include Migratory Rif Pain, Anorexia, Nausea, Rif Tenderness, Rebound Tenderness, Elevated Temperature, Leukocytosis, Left Shift.
What is the evidence behind the Alvarado Score (MANTRELS)?
The Alvarado Score (MANTRELS) page cites Alvarado A. Ann Emerg Med 1986;15:557-564.
Next steps
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