ECO 100 Lecture Notes - Lecture 4: Ulcerative Colitis, Toxic Megacolon, Metaplasia
Document Summary
Module 11 diseases of the gi tract: have a basic knowledge of the normal structure and function of the gastrointestinal tract. Gi tract - from mouth to anus: lower esphageal sphincter. Small intestine (duodenum, jejunum, ileum) ileocecal valve large intestine (cecum, ascending colon, descending colon, sigmoid colon, rectum). Signs and symptoms of gi disease: loss of appetite, Remember the terminology for different forms of bleeding from the gi tract and what it may indicate about the source of the bleed (e. g hematemesis, melena, hematochezia, occult blood in stool). Hematemesis - vomiting of blood, also "coffee grounds hematemesis" - indicates bleed in stomach with action of acids on blood. Melena - dark stools - indicates "digested" blood in the stool (origin - stomach - action of acids) Hematochezia - bright red blood in the stool - indicates origin is in large bowel.
