Alvarado score
RLQ tenderness
Elevated temperature > 37.3 °C
Rebound tenderness
Migration of pain to the RLQ
Anorexia
Nausea or vomiting
Leukocytosis > 10,000
Leukocyte left shift
Unlikely appendicitis
Reference
A Alvarado. A practical score for the early diagnosis of acute appendicitis. Ann Emerg Med. 1986 May;15(5):557-64.
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