Alvarado Score Calculator: Assess Acute Appendicitis Risk

Calculate Your Alvarado Score

Utilize the Alvarado Score Calculator to quickly estimate the likelihood of acute appendicitis. This essential medical diagnostic tool uses key clinical findings and lab results to provide a risk assessment, aiding healthcare professionals in their decision-making process for suspected appendicitis cases.

Formula:

The Alvarado Score, also known as the MANTRELS score, is a diagnostic aid for acute appendicitis. It sums points from specific clinical findings and lab results:

  • Migration of pain to the right iliac fossa: 1 point
  • Anorexia: 1 point
  • Nausea or vomiting: 1 point
  • Tenderness in the right iliac fossa (RLQ): 2 points
  • Rebound tenderness in the right iliac fossa (RLQ): 1 point
  • Elevated temperature (>37.3°C or >99.1°F): 1 point
  • Leukocytosis (WBC count >10,000/mm³): 2 points
  • Shift of leukocytes to the left (>75% neutrophils): 1 point

Total Possible Score: 10 points

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