Alvarado Score for Acute Appendicitis

Likelihood of appendicitis based on symptoms, signs, and lab data.


Signs

Right Lower Quadrant Tenderness

Elevated Temperature (37.3°C or 99.1°F)

Rebound Tenderness

Symptoms

Migration of Pain to the Right Lower Quadrant

Anorexia

Nausea or Vomiting

Laboratory Values

Leukocytosis > 10,000

Leukocyte Left Shift

Interpretation