Gastroenteritis - Gastroenteritis (Travelers diarrhea,...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Gastroenteritis (Travelers diarrhea, Infantile diarrhea) - Escherichia coli Gram neg. bacillus, lactose +, normal flora. Virulence: Certain strains capable producing infections due to: 1) Ability to produce enterotoxin (exotoxin) fluid loss. 2) Ability to attach to and invade MM. endotoxins cell death inflammation. Diseases: Traveler's diarrhea - consumption food, H 2 O. Varies in severity - diarrhea, vomiting. Self limiting. Infantile diarrhea - occurs in newborns (due to lack normal flora), young infants. Highly contagious - spreads rapidly in newborn nursery. Transmission usually hands of employees. Causes severe diarrhea, quickly dehydrates newborn. Can invade blood meningitis resulting in brain damage, death. Practical value: used as indicator of fecal contamination water, milk, or inadequate sewage treatment. Test further to identify any pathogens present. Viral enteritis - Rotaviruses, ECHO, Coxackie, Norwalk viruses Large # viruses can infect m.m. GI tract
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/23/2012 for the course MCB MCB2010 taught by Professor Smith during the Fall '09 term at Broward College.

Ask a homework question - tutors are online