Alvarado score

Surgery and anaesthesia

Also known as: MANTRELS score · Alvarado-Score · Alvarado skoru · Alvarado score (MANTRELS) for acute appendicitis

What it is for

The Alvarado score adds eight clinical and laboratory findings in suspected acute appendicitis to a total of 0–10 points (mnemonic MANTRELS):

Classification

CategoryDescription
Mmigration of pain to the right lower quadrant: 1 point.
Aanorexia (or ketones in urine): 1 point.
Nnausea or vomiting: 1 point.
Ttenderness in the right lower quadrant: 2 points.
Rrebound tenderness: 1 point.
Eelevated temperature (above 37.3 °C in the original): 1 point.
Lleukocytosis: 2 points.
Sshift to the left of neutrophils: 1 point.
Interpretationhigher totals mean appendicitis is more likely; the original paper called 7–8 probable and 9–10 very probable appendicitis. Lower bands are grouped differently between papers (often 1–4 low, 5–6 equivocal).

Source

A practical score for the early diagnosis of acute appendicitis

Ann Emerg Med 1986;15:557–564 (Alvarado A)

DOI: 10.1016/s0196-0644(86)80993-3

PMID: 3963537

Edition
Alvarado 1986 original 10-point score
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