Obscure gastrointestinal bleeding (OGIB) is defined as intermittent or persistent loss of blood that occurs or reoccurs after evaluation by upper gastrointestinal and lower gastrointestinal endoscopy [1]. The clinical presentation can vary dramatically, from occult blood loss that is only detectible by hemoccult testing, manifesting as iron deficiency to overt clinical manifestations of hematemesis, melena, or hematochezia requiring transfusion and hospitalization. © 2010 Springer-Verlag New York.
CITATION STYLE
Petersen, R. P., & Pryor, A. D. (2010). The unstable patient with obscure gastrointestinal bleeding: Surgical and non-surgical management. In Gastrointestinal Bleeding: A Practical Approach to Diagnosis and Management (pp. 203–210). Springer New York. https://doi.org/10.1007/978-1-4419-1693-8_19
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