 Digestive tract telangiectasias may be identified on <unk> ( endoscopy of the esophagus , stomach and first part of the small intestine ) . This procedure will typically only be undertaken if there is anemia that is more marked than expected by the severity of nosebleeds , or if there is evidence of severe bleeding ( vomiting blood , black stools ) . If the number of lesions seen on endoscopy is unexpectedly low , the remainder of the small intestine may be examined with capsule endoscopy , in which the patient swallows a capsule @-@ shaped device containing a miniature camera which transmits images of the digestive tract to a portable digital recorder . 
