| DIAGNOSIS |
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| • | CBC |
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| • | Stool
for culture, ova & parasites, C. difficile |
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| • | Stool
for occult blood |
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| • | Flexible
sigmoidoscopy - useful to determine |
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| source
of bright red blood |
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| • | Colonoscopy
with biopsy |
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| • | Endoscopy
may show “skip” areas |
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| • | May
be difficult to distinguish one from other |
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