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hematochezia |
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hematochezia /he·ma·to·che·zia/ (he″mah-to-ke´zhah) defecation in which feces are bloody.
hematochezia [hem′ətōkē′zhə] Etymology: Gk, haima + chezo, feces the passage of red blood through the rectum. The cause is usually bleeding in the colon or rectum, but it may result from the loss of blood higher in the digestive tract although blood passed from the stomach or small intestine generally loses its red coloration through enzymatic activity on the erythrocytes. Cancer, colitis, and ulcers are among causes of hematochezia. Compare melena. hematochezia [he″mah-to-ke´ze-ah] blood in the feces.
hematochezia blood in the feces.
hematochezia Passage of bright red or maroon stool, usually due to blood; upper GI tract hemorrhage resulting in hematochezia implies a blood loss of ≥ 1000 ml, often accompanied by hypovolemia, hypotension, and tachycardia; lower GI or
rectal hemorrhage may be guaiac-positive with ±25 ml–ie, blood is brighter red when more caudal Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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