Capsule endoscopy lets your doctor examine the lining of the middle part of GI tract.Your doctor will give you a pill sized video camera to swallow.thats wierd isnt it?This camera has its own light source and takes pictures of your small intestine as it passes through and these are sent to a small recording sensor device which you wear on the outside of your body.
The most common reason for doing a capsule endoscopy is to search for the cause of bleeding from the small intestine.it may also be useful for detecting polyps,IBD(Crohn's disease),ulcers and tumors of the small intestine.
An empty stomach allows for the best and safest examination.