Review gram -ve rods grown on MacConkey agar.
Antibiotic associated with Clostridium difficile disease
Pathogen that causes pseudomembranous colitis
What part of the GIT is associated with Clostriidum difficile infection?
Clostridium difficile toxins (2)
Clostridium difficile infection Sx
List 2 differential conditions common in Clostridium difficile infection.
Clostridium difficile Dx
Clostridium difficile oxygen requirement
Helicobacter pylori characteristics:
List 3 disorders associated with H. pylori infection.
gastritis (stomach antrum)
duodenal ulcers (and gastric ulcers)
Review factors contribution to H. pylori-related gastric pathology.
How does H. pylori survive in the acidic stomach?
Urease splits urea into ammonia, providing a buffer for the organism.
H. pylori toxin
H. pylori pathogenicitiy island
List 3 virulence factors derived from the cagPAI (H. pylori).
BabA: bind to the Louis B antigens on the surface of the epithelial cells of the stomach mucosa.
OipA: induces production of IL-8.
Detection of H. pylori
Gastrointestinal abscess pathogenesis
Most common cause of primary peritonitis
Most common cause of diverticulitis
Most common cause of pancreatic abscess
Gastrointestinal abscess Dx
Gastrointestinal abscess Rx
Bacteroides antimicrobial therapy
What characteristic of Bacteroides induces abscess formation?
The capsule contains salycilic acid, which induces abscess formation.
What is the key factor in management of diarrheal disease?
oral rehydration therapy