The term gastrointestinal bleeding of obscure origin is used to describe bleeding of
unknown origin that persists or recurs after a negative initial esophagogastroduodenoscopy …

Occult gastrointestinal bleeding is defined as gastrointestinal bleeding that is not visible to
the patient or physician, resulting in either a positive fecal occult blood test, or iron deficiency …

A 65-year-old African American man was referred for obscure gastrointestinal bleeding. He
initially had presented 3 months previously with anemia and melena. Both upper …

Every experienced clinical gastroenterologist can recall a recent case of this particular type
of patient: presenting with an acute gastrointestinal bleeding, and with negative findings on …

Severe gastrointestinal (GI) hemorrhage of obscure origin is an uncommon but clinically
significant problem for adults in North America today. These patients may present with overt …

Occult gastrointestinal bleeding usually is discovered when fecal occult blood test results
are positive or iron deficiency anemia is detected. Fecal occult blood testing methods vary …

Occult gastrointestinal bleeding, defined as bleeding that is unknown to the patient, is the
most common form of gastrointestinal bleeding and can be caused by virtually any lesion in …

Occult gastrointestinal (GI) bleeding is bleeding from the GI tract that is not noticeable to
patients or physicians. Patients with unexplained anemia (ie, not attributable to another …

Introduction. Suspected small-bowel bleeding may be overt or occult. In the absence of
clinically obvious hemorrhagic manifestations, the anemic syndrome secondary to chronic …

Objectives: Chronic occult blood loss from the gastrointestinal tract is a recognized major
cause of iron-deficiency anemia. After conventional investigation of the upper and lower …