Emergency Medicine

Alvarado Score

Likelihood of acute appendicitis.

Education and reference only. Not a substitute for clinical judgement, local policy or product labelling. Always verify before clinical use. Values are calculated in your browser and never stored.

When to use

Use in suspected appendicitis to estimate likelihood and support decisions on imaging, observation or surgery.

Why use

It structures the assessment and helps risk-stratify abdominal pain.

Evidence & references

  1. Alvarado A. A practical score for the early diagnosis of acute appendicitis. Ann Emerg Med. 1986.

About the creator

Alfredo Alvarado

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