Alvarado Score - Alvarado Score Appendicitis (Free Tool)

Check More Free Tools:

• Try our Pediatric Appendicitis Risk Calculator

• Try our Appendicitis Risk Calculator (Alvarado+AIR Score)

Free Alvarado Score Calculator – Diagnose Appendicitis Accurately

Appendicitis is a medical emergency requiring prompt diagnosis to avoid complications like perforation. The Alvarado Score is a validated clinical tool used globally to assess the likelihood of acute appendicitis. This guide explains how our Free Alvarado Score Calculator works, its clinical parameters, and how to interpret results.

What Is the Alvarado Score?

The Alvarado Score, also known as the MANTRELS score, is a diagnostic tool that evaluates clinical symptoms, signs, and laboratory findings to determine the probability of acute appendicitis. It assigns points to eight criteria, with a maximum score of 10.

Key Terms to Understand:

1. Right Lower Quadrant (RLQ) Pain

2. Leukocytosis (elevated white blood cell count)

3. Rebound Tenderness

4. Migration of Pain

5. Anorexia (loss of appetite)

Parameters Calculated in the Alvarado Score

Our calculator evaluates the following criteria:

Symptoms

1. Migrating Pain to RLQ (1 point)

   • Pain starts near the navel and shifts to the lower right abdomen.

2. Anorexia (1 point)

3. Nausea/Vomiting (1 point)

Signs

4. Tenderness in RLQ (2 points)

5. Rebound Tenderness (1 point)

6. Elevated Temperature (1 point)

Lab Results

7. Leukocytosis (2 points)

8. Neutrophilia (1 point)

How the Alvarado Score Calculator Works

Our tool simplifies diagnosis through:

1. User-Friendly Inputs

• Demographic data (age, gender)

• Clinical parameters (checkboxes, dropdowns)

• Lab value converters (e.g., WBC count units)

2. Real-Time Scoring

• Immediate calculation with color-coded results:

  • Low Risk (0–4): Green

  • Intermediate (5–6): Yellow

  • High Risk (7–10): Red

3. Interpretation Guide

• <5 Points: Unlikely appendicitis (consider alternative diagnoses).

• 5–6 Points: Observation or imaging (CT scan/ultrasound).

• ≥7 Points: High likelihood – surgical consultation recommended.

Why Use Our Alvarado Score Calculator?

1. Clinical Accuracy

   • Aligns with guidelines from the American College of Surgeons.

2. Time-Efficiency

   • Reduces diagnostic delays in emergency settings.

3. Patient Education

   • Generates downloadable PDF reports with personalized recommendations.

FAQs About the Alvarado Score

Q1: Can children use this calculator?

Yes, but pediatric appendicitis may require the Pediatric Appendicitis Score for higher accuracy.

Q2: What if my score is borderline (5–6)?

Consult a healthcare provider for imaging tests like CT scans or ultrasounds.

Q3: How reliable is the Alvarado Score?

Studies show a sensitivity of 72–97% and specificity of 67–92% (source: Annals of Emergency Medicine).

Download Your Clinical Report

After calculation, generate a PDF report containing:

• Patient demographics

• Input values and final score

• Medical interpretation

• Emergency contact details