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How Do Doctors Diagnose Lower GI Bleeding? Discover the Tests!
Published: Apr 12, 2024
Lower gastrointestinal bleeding can be tricky to diagnose, but several tests can help pinpoint the source. This article explores the methods used to diagnose LGIB effectively.
Colonoscopy: The Gold Standard
A colonoscopy is often the first choice for diagnosing LGIB. It allows doctors to visually inspect the colon for bleeding sources like diverticula or tumors. The procedure involves inserting a flexible tube with a camera into the colon, providing a direct view of the intestinal lining.
Other Diagnostic Techniques
In addition to colonoscopy, imaging tests like CT angiography can help locate bleeding sites. This non-invasive method uses contrast material to visualize blood vessels and any active bleeding. Endoscopic techniques such as capsule endoscopy are also used, especially when the bleeding source is suspected to be in the small intestine.
Frequently Asked Questions
A colonoscopy is a procedure to examine the colon for bleeding sources.
It uses contrast material to visualize blood vessels and detect bleeding.
It's used for suspected small intestine bleeding.
Yes, it involves inserting a camera into the colon.
Wrapping Up
Diagnosis of LGIB requires a combination of tests to accurately identify the source of bleeding.
References
- Prakash C, Zuckerman GR. Acute small bowel bleeding: a distinct entity with significantly different economic implications compared with GI bleeding from other locations. Gastrointest Endosc 2003; 58:330.
- Strate LL. Lower GI bleeding: epidemiology and diagnosis. Gastroenterol Clin North Am 2005; 34:643.
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic. Always discuss health information with your healthcare provider.
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