Davis's Lab & Diagnostic Tests


Esophagogastroduodenoscopy is a topic covered in the Davis's Lab & Diagnostic Tests.

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Davis’s Laboratory and Diagnostic Tests Online, powered by Unbound Medicine, provides nurses and students access to 400+ test monographs containing reference ranges, indications, patient preparation and result interpretation. Explore these free sample topics:


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Esophagoscopy, gastroscopy, upper GI endoscopy, EGD.

Common Use:
To visualize and assess the esophagus, stomach, and upper portion of the duodenum to assist in diagnosis of bleeding, ulcers, inflammation, tumor, and cancer.

Area Of Application:
Esophagus, stomach, and upper duodenum.

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