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Etiology –lower gi bleed


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Etiology of lower gastrointestinal bleeding ppt, gastrointestinal bleeding ppt, History takingin lower gastrointestinal bleeding ppt, Investigations in lower gastrointestinal bleeding ppt

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Etiology –lower gi bleed

  1. 1. Etiology –lower GI bleed
  2. 2. Lower Gastrointestinal Bleed A lower Gastrointestinal Bleed is referred as any bleed that occures distal to the ligament of Treitz and superior to the anus. This includes the last 1/4 of the duodenum and the entire area of the jejunum, ileum, colon, rectum, and anus
  3. 3. Lower Gastrointestinal Bleeding Lower GI bleeding originates in the portions of the GI tract farther down the digestive system—the segment of the small intestine farther from the stomach, large intestine, rectum, and anus.
  4. 4. Haematochezia Haematochezia (bright red blood per rectum) Source:distal to ligament of Treitz or rapid haemorrhage into upper GItract Upper GI ( Haemodynamic instability+ drop in Hb)
  5. 5. Anal and rectal lesions Hemorrhoids,fissure,fistula Proctitis Rectal trauma Carcinoma of rectum
  6. 6. Colonic lesions Carcinoma Polyp Vascular ectasia IBD Infectious colitis Ischemic colitis NSAID
  7. 7. Small Bowel Meckels diverticulum Intussception Mesenteric infarction Aortoenteric fistula
  8. 8. Upper GIT Massive hemorrhage from a duodenal ulcer
  9. 9. Systemic diseases Coagulation disorders Uremia
  10. 10. Drugs Anticoagulants
  11. 11. Aetiology carcinoma polyps Meckel’s diverticulum angiodysplasia intussusception enteritis colitis carcinoma Crohn’s disease Diverticular disease carcinoma proctitis haemorrhoids solitary ulcer fissure carcinoma warts Perianal Crohn’s disease
  12. 12. Hematochezia GIT Systemic upper lower Massive Anorectal Bleeding disorderhaemorrhage Uremia from Colon Drugs Duodenal Aortoduodenal ulcer.Anticoagulant, Small Bleeding Bowel disorder