Appendicitis other diagnostic studies: Difference between revisions
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Created page with "{{Appendicitis}} {{CMG}} ==Overview== ==Alvarado score== A number of clinical and laboratory based scoring systems have been devised to assist the diagnosis of appendicitis...." |
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==Overview== | ==Overview== | ||
The Alvarado score is the most widely used scoring based system in making a diagnosis of appendicitis. | |||
==Alvarado score== | ==Alvarado score== | ||
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A score of 7 or more is strongly predictive of acute appendicitis.<br> | A score of 7 or more is strongly predictive of acute appendicitis.<br> | ||
In patients with an equivocal score of 5-6, CT scan further reduces the rate of negative | In patients with an equivocal score of 5-6, CT scan further reduces the rate of negative [[appendectomy]]. | ||
Revision as of 16:16, 17 August 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
The Alvarado score is the most widely used scoring based system in making a diagnosis of appendicitis.
Alvarado score
A number of clinical and laboratory based scoring systems have been devised to assist the diagnosis of appendicitis. The most widely used is the Alvarado score:
Symptoms:
- Migratory right iliac fossa pain - 1 point
- Anorexia - 1 point
- Nausea and vomiting - 1 point
Signs:
- Right iliac fossa tenderness - 2 points
- Rebound tenderness - 1 point
- Fever - 1 point
Laboratory:
- Leucocytosis - 2 points
- Shift to left (segmented neutrophils) - 1 point
Total score = 10.
A score of 7 or more is strongly predictive of acute appendicitis.
In patients with an equivocal score of 5-6, CT scan further reduces the rate of negative appendectomy.