Collagen is an important protein that can be found throughout your body. In fact, it is found in all the connective tissues in your body ranging from your skin and bones, all the way down to your organs and blood vessels. Collagen functions several different ways in your body.
Upper gastrointestinal bleeding. Upper gastrointestinal bleeding (sometimes upper GI, UGI bleed, Upper gastrointestinal hemorrhage, gastrorrhagia) is gastrointestinal bleeding in the upper gastrointestinal tract, commonly defined as bleeding arising from the esophagus, stomach, or duodenum. Blood may be observed in vomit (hematemesis) or in altered form in the stool (melena).
options of upper and lower GI bleeding in older adults. For the purpose of this paper, an âolderâ adult is defined as age greater than 60. The various terms used in the description of GI bleeding, although well known, are tabulated (Table 1). UPPER GASTROINTESTINAL BLEEDING (UGIB) Epidemiology In spite of considerable advances in clinical medicine,