lower gastrointestinal disease Flashcards
function of the lower GI tract?
absorbs water and electrolytes to form a stool
inflammation of the GI tract can cause:
appendicitis, and colitis
cancer of the GI tract is called:
colorectal cancer
what is acute appendicitis?
sudden onset of inflammation of the appendix, caused by obstruction of the appendix by a feacality (stool), calculus (stone), tumour or worms causing increased pressure and bacterial invasion
symptoms of acute appendicitis?
pain in umbilical region and right lower abdomen, nausea and vomiting, reduced appetite
signs of acute appendicitis?
tenderness and guarding, fever, high WBCC
how is appendicitis treated?
antibiotics, open / laparoscopic surgery
common infection associated with the GI tract?
clostridium difficile - found in the gut of 1 in 30 people. the infection is usually harmless and kept in control by other bacteria
how do antibiotics cause problems for c.diff patients?
antibiotics change the balance of bacteria in the gut, so c.diff multiplies and produces toxins that make the person ill. the infection can survive as spores for long periods of time
what is meant by ‘spores’?
resistant bacteria cells
symptoms of clostridium difficile infection?
diarrhoea, pain, fever
antibiotics CAUSING c.diff?
clindamycin, ciprofloxacin
antibiotics that can treat c.diff?
vancomycin, metrondiazole
what is inflammatory bowel disease?
chronic inflammatory conditions such as crohns disease and ulcerative colitis
describe crohn’s disease?
inflammatory bowel disease mainly affecting the lower small intestine. it spreads unevenly.