cdiff, apendicitis, congenital_embryonic, CF, celiac - Sheet1 Flashcards
What is Clostridium Difficile (C. diff) colitis?
Colonic inflammation related to C. diff infection.
What are the risk factors for C. diff colitis?
Hospitalization, antibiotic use, immunosuppression.
What is the mechanism of C. diff colitis?
Disruption of normal colonic bacterial flora and ingestion of C. diff spores -> C. diff vegetates, multiplies, secretes toxins -> breakdown of the mucosal layer and inflammation of the colon, potentially leading to toxic megacolon.
What are the manifestations of C. diff colitis?
Diarrhea, fever, abdominal pain, severe leukocytosis.
How is C. diff colitis diagnosed?
H&P, C. diff stool culture, abdominal X-ray/CT.
What is appendicitis?
Inflammation of the appendix, most common cause of emergency abdominal surgeries.
What are the risk factors for appendicitis?
Age 10-30 years old.
What are the complications of appendicitis?
Perforation, peritonitis, abscess.
What is the mechanism of appendicitis?
Accumulation of feces causes obstruction, leading to vascular engorgement, mucus & bacterial accumulation -> gangrene -> perforation -> peritonitis.
What are the manifestations of appendicitis?
Dull periumbilical pain that shifts to the RLQ, nausea/vomiting, anorexia, low-grade fever, localized tenderness, rebound tenderness with guarding.
How is appendicitis diagnosed?
H&P, CT scan.