Back to catalog

Emergency Medicine · Surgery

Alvarado Score calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Result

Anyone can run this calculator. Sign in to save, favourite, or send the result.

0

Alvarado score 0–4

Band: Alvarado score 0–4

Interpretation. Alvarado score 0–4

Suggested management. Appendicitis is less likely; reassess if symptoms persist or evolve.

Alvarado Score: 0 — Alvarado score 0–4. Interpretation: Alvarado score 0–4 What to do: Appendicitis is less likely; reassess if symptoms persist or evolve. Inputs: Migration of pain to right lower quadrant (+1): false; Anorexia or acetone in urine (+1): false; Nausea or vomiting (+1): false; Right-lower-quadrant tenderness (+2): false; Rebound pain (+1): false; Temperature ≥37.3°C (+1): false; Leukocytosis >10,000/mm³ (+2): false; Neutrophil left shift >75% (+1): false Source: Alvarado A. A practical score for the early diagnosis of acute appendicitis. Ann Emerg Med (1986)

Ruqelo is AI and can make mistakes. Check important information.

Clinical inputs

  • Migration of pain to right lower quadrant (+1)
  • Anorexia or acetone in urine (+1)
  • Nausea or vomiting (+1)
  • Right-lower-quadrant tenderness (+2)
  • Rebound pain (+1)
  • Temperature ≥37.3°C (+1)
  • Leukocytosis >10,000/mm³ (+2)
  • Neutrophil left shift >75% (+1)

Primary source

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

View source