{"product_id":"2940044664609","title":"A Simple Guide to Blood in Stools, Related Diseases and Use in Disease Diagnosis","description":"\u003cp\u003eBlood in the Stools\u003c\/p\u003e\u003cp\u003eWhat is Blood in the Stools?\u003c\/p\u003e\u003cp\u003eBlood in the stools can be in the form of red blood in the stools (hematochezia) or black stools (melena).\u003c\/p\u003e\u003cp\u003eRed Blood in the Stools or Hematochezia is bleeding from the lower gastrointestinal tract with red fresh blood in the stools.\u003c\/p\u003e\u003cp\u003eBlood in the Stools is usually bright red.\u003c\/p\u003e\u003cp\u003eHematochezia usually presents as minor bleeding that is important because it may have come from a rectal or colonic cancer.\u003c\/p\u003e\u003cp\u003eDirect questions regarding the frequency, amount, and duration of hematochezia should allow the examiner to determine whether the patient is bleeding dangerously or minor bleeding.\u003c\/p\u003e\u003cp\u003eBlack Melena stools are shining black in color and sticky (tarry).\u003c\/p\u003e\u003cp\u003eThe black color of the stools is believed to be oxidation of the iron from the red blood cells in the intestines usually more than the 14 hours from its origin in the upper part of the digestive tract.\u003c\/p\u003e\u003cp\u003eTypically the stools have a black color with a red tinge at the edges and are soft and almost slimy.\u003c\/p\u003e\u003cp\u003eOther substances such as iron or bismuth can turn the stool black but not shining.\u003c\/p\u003e\u003cp\u003eA melenic stool contains blood and usually means upper gastrointestinal hemorrhage,\u003c\/p\u003e\u003cp\u003eIt takes 50 ml or more of blood in the stomach to turn stools black.\u003c\/p\u003e\u003cp\u003eOne to two liters of blood given orally will cause bloody or tarry stools for up to 5 days.\u003c\/p\u003e\u003cp\u003eThe first such black stool usually appears within 4 to 20 hours after ingestion.\u003c\/p\u003e\u003cp\u003eThus a melenic stool is indicative of recent bleeding but does not indicate the presence or rapidity of bleeding at the time of passage.\u003c\/p\u003e\u003cp\u003eHematochezia usually comes from a colonic site although blood rapidly transported from the upper gastrointestinal tract can be red when passed.\u003c\/p\u003e\u003cp\u003eIn older patients, massive lower intestinal hemorrhage is frequently caused by a bleeding diverticulum or an arteriovenous malformation.\u003c\/p\u003e\u003cp\u003eVery rapid upper gastrointestinal bleeding less than 14 hours often from an arterial site in a peptic ulcer may cause hematochezia.\u003c\/p\u003e\u003cp\u003eWhat are the Causes of Blood in the Stools?\u003c\/p\u003e\u003cp\u003eCauses that can make a person pass blood in the stools are:\u003c\/p\u003e\u003cp\u003e1. Cancer of the colon and rectum\u003c\/p\u003e\u003cp\u003e2. Bleeding hemorrhoids\u003c\/p\u003e\u003cp\u003e3. Ulcerative colitis\u003c\/p\u003e\u003cp\u003e4. Diverticulitis\u003c\/p\u003e\u003cp\u003e5. peptic ulcers\u003c\/p\u003e\u003cp\u003e6. Injury in the anus or rectum\u003c\/p\u003e\u003cp\u003e7. Bleeding diseases\u003c\/p\u003e\u003cp\u003eHow is Blood in the stools diagnosed?\u003c\/p\u003e\u003cp\u003e1. Physical examination of the anal region for piles and injuries\u003c\/p\u003e\u003cp\u003e2. Proctoscopy for piles\u003c\/p\u003e\u003cp\u003e3. Sigmoidoscopy for rectal tumors\u003c\/p\u003e\u003cp\u003e4. Colonoscopy for rectal and colon cancers and polyps\u003c\/p\u003e\u003cp\u003e5. Full blood count for bleeding diseases or blood cancers\u003c\/p\u003e\u003cp\u003e6. Stool culture for bacterial, viral and parasitic infections\u003c\/p\u003e\u003cp\u003e7. Test to see if the blood clots normally, such as PT or PTT\u003c\/p\u003e\u003cp\u003e8. Colon polyp or ulcer biopsy\u003c\/p\u003e\u003cp\u003eTABLE OF CONTENT\u003cbr\u003eChapter 1 Blood In Stools\u003c\/p\u003e\u003cp\u003eChapter 2 Disease Diagnosis\u003c\/p\u003e\u003cp\u003eChapter 3 Hemorrhoids\u003c\/p\u003e\u003cp\u003eChapter 4 Cancer of Colon\u003c\/p\u003e\u003cp\u003eChapter 5 Ulcerative Colitis\u003c\/p\u003e\u003cp\u003eChapter 6 Colon Polyps\u003c\/p\u003e\u003cp\u003eChapter 7 Diverticulitis\u003c\/p\u003e\u003cp\u003eChapter 8 Intussusception\u003c\/p\u003e\u003cp\u003eChapter 9 Dysentery\u003c\/p\u003e\u003cp\u003eEpilogue\u003c\/p\u003e","brand":"Kenneth Kee","offers":[{"title":"Default Title","offer_id":47166683283696,"sku":"2940044664609","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940044664609_p0.jpg?v=1769889416","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940044664609","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}