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Patho chap 30
common disorders of the large intestine
| Question | Answer |
|---|---|
| 2 types of movements in the larger intestine | haustral contraction and mass movement |
| what can severe constipations result in | fecal impaction and obstipation |
| obstipation | sensation to defecate with no passage of stool, liquid, or gas from the colon |
| RLQ pain | appendicitis, ovarian cyst, kidney stone, pyelonephritis |
| LLQ pain | diverticulitis, ovarian cyst, kidney stone, pyelonephritis |
| RUQ pain | hepatitis, duodenal ulcer, acute cholecysitis |
| LUQ pain | gastric ulcer, ruptured spleen , aoritc aneurysm, pancreatitis |
| causes/ risk factors of Crohn's disease | toxic mega colon |
| toxic mega colon | extreme dilation of disease colon: can cause complete obstruction or life- threatening perforation |
| what area of GI tract does Crohn's disease affect | mouth to anus |
| what layer of GI tract does Crohn's disease | mucosa, sub- mucosa and transmural layer |
| common lesions found in Crohn's disease | cobblestone, anal fistulas, and skip lesions |
| Crohn's disease patho | chronic inflammation |
| Crohn's disease symptoms | episodes of diarrhea & abdominal pain, hyperactive bowl sounds, malabsorption, dehydration |
| causes/ risk factors of ulcerative colitis | genetic autoimmune |
| what area of GI tract does ulcerative colitis affect | begin in rectum and moves upward |
| common lesions in ulcerative colitis | pseudopolyps |
| what layer of GI tract does ulcerative colitis affect | not transmural |
| ulcerative colitis patho | unclear; autoimmune infection and genetic component |
| ulcerative colitis symptoms | similar presentation of symptoms as Crohn's |
| ulcerative colitis | increase risks for colon cancer |
| appendicitis | inflammation of the pouch like area that protrudes from the cecum |
| if appendicitis is untreated and it ruptures, it can lead to what | peritonitis |
| peritonitis | inflammation of peritoneal membrane |
| symptoms of peritonitis | abdominal pain, abdominal rigidity, rebound tenderness |
| psoas sign | examiner asks the supine pt to actively flex the right thigh at the hip & pain occurs in the abdomen |
| rovsing's sign | examiner palpates the LLQ and the pt feels pain in the RLQ |
| obturator sign | internal & external rotation of the patient's flexed right hip causes pain in RLQ |
| rebound tenderness | having more pain when you move your hand away |
| what does IBS stand for | irritable bowl syndrome |
| what does IBS entail | abdominal pain and bloating, bouts of constipation & diarrhea, no pathological changes interior of bowel |
| diverticula | small out pouching formed |
| diverticulosis | bowl walls have weakened areas |
| diverticulitis | diverticula inflammation |
| signs & symptoms of diverticular disease | bowel habits may be altered, LLQ or RLQ depending on area affected |
| what is volvus | twisting of the large intestine |
| what does volvus result in | obstruction and ischemia |
| varicose veins | are dilated, swollen vessels in the perianal region and can be either internal or external |
| risk factors of varicose veins | constipation/ straining during poop, high pressure within the portal vein of the liver, prolonged sitting, anal intercourse, pregnancy, lack of fiber |