Abstract
The introduction of flexible fiberoptic endoscopes into clinical practice in 1961 vastly altered the traditional approach to gastrointestinal bleeding. Technical improvements in endoscopic instrumentation soon permitted effective viewing of the entire esophagus, stomach and proximal duodenum and encouraged a "vigorous diagnostic approach" in patients with gastrointestinal bleeding.1 Further studies documented the enhanced accuracy of early endoscopy, as compared to radiology, in identification of the site of upper-gastrointestinal-tract hemorrhage.2 , 3 This result is not surprising since potential bleeding sites may be numerous, and a large percentage of bleeding episodes originate in conditions, such as esophagitis, diffuse gastritis, duodenitis or Mallory-Weiss tears, that . . .
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