more ... A traditional Chinese puzzle made of a square divided into seven pieces (one parallelogram, one square and five triangles) that can be arranged to match particular designs. Tangrams. Search :: Index :: About :: Contact :: Contribute :: Cite This Page :: Privacy.ore ... A traditional Chinese puzzle made of a square divided into seven pieces (one parallelogram, one square and five triangles) that can be arranged to match particular designs. Tangrams. Search :: Index :: About :: Contact :: Contribute :: Cite This Page :: Privacy.
Up to 60% of patients with a history of an upper GI bleed are bleeding from the same lesion. Ask the patient about medications. Non-steroidal anti-inflammatory drugs and acetylsalicylic acid can predispose the patient to peptic ulcer disease; antiplatelets and anticoagulants can promote bleeding; and bismuth and iron can cause stool to appear black. Liver cirrhosis can indicate varices. Aortic stenosis and renal disease can indicate angioectasia. Tobacco abuse, alcohol abuse, and Helicobacter pylori can indicate a malignancy. Marginal anastomotic ulcers can indicate gastroenteric ...
Peptic ulcer disease is the underlying cause in less than 5 to 8 percent of patients presenting with gastric outlet obstruction. Patients with recurrent duodenal or pyloric channel ulcers may develop pyloric stenosis as a result of acute inflammation, spasm, edema, or scarring and fibrosis.pper gastrointestinal bleeding occurs in 15 to 20 percent of patients with peptic ulcer disease. It is the most common cause of death and the most common indication for surgery in the disease. In older persons, 20 percent of bleeding episodes result from asymptomatic ulcers.