Appendicitis other diagnostic studies: Difference between revisions
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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: | 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: | ||
{| class="wikitable" style = "margin-left:15px; text-align:center" | |||
|+ Alvarado score | |||
|- | |||
| Migratory right [[iliac fossa]] pain | |||
| 1 point | |||
|- | |||
| [[Anorexia (symptom)|Anorexia]] | |||
| 1 point | |||
|- | |||
| [[Nausea]] and [[vomiting]] | |||
| 1 point | |||
|- | |||
Total score | |Right iliac fossa [[tenderness (medicine)|tenderness]] | ||
|2 points | |||
|- | |||
|[[Rebound tenderness]] | |||
|1 point | |||
|- | |||
|[[Fever]] | |||
|1 point | |||
|- | |||
|[[Leukocytosis]] | |||
|2 points | |||
|- | |||
|Shift to left (segmented [[neutrophils]]) | |||
|1 point | |||
|- | |||
!Total score | |||
!10 points | |||
|} | |||
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 [[appendectomy]]. | In patients with an equivocal score of 5-6, CT scan further reduces the rate of negative [[appendectomy]]. | ||
Revision as of 16:24, 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:
| Migratory right iliac fossa pain | 1 point |
| Anorexia | 1 point |
| Nausea and vomiting | 1 point |
| Right iliac fossa tenderness | 2 points |
| Rebound tenderness | 1 point |
| Fever | 1 point |
| Leukocytosis | 2 points |
| Shift to left (segmented neutrophils) | 1 point |
| Total score | 10 points |
|---|
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.