Alvarado Score For Acute Appendicitis Alvarado Score Alvarado Score for Acute Appendicitis 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 SympLaboratory Valuestoms Leukocytosis > 10,000 Leukocyte left shift Calculate Loading… RESULTS Fill the calculator form and click on Calculate button to get result here 0 Points Unlikely Unlikely appendicitis by the Alvarado Score.