Infections Of The Alimentary Canal

Front 1

Infections of the Alimentary Canal

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Usually caused by some predisposing factor that eliminates normal flora.

Front 2

Helibacter pylori

Back 2

Gram - rode with flagella
Resides in mucin layer of the stomach, potent urease creates ammonia that neutralizes stomach acid.

treatment - amoxycillin

Front 3

Vibrio Cholerae

Back 3

Infecting dose 10^8
Toxin mediated
causes watery diarrhea, no leukocytes.

Treatment - supportive, hydration

Front 4

E. Coli

Back 4

Endogenous organism with an Enteroadhesive allows attachment to entercyte.
Causes effacement and watery diarrhea.

treatment - Gentamicin, Ciproflaxacin, co-amoxiclav

Front 5

Shigella

Back 5

Gram - Rod that invades mucosa layer of colon causing effacement, death of cell, and invasion of neighboring cells.
Blooddy stool, neutrophils present.

treatment - supportive, sometimes ciprofloxacin

Front 6

Salmonella Typhi

Back 6

Gram - rod invades mucosal cell as well as submucosa and blood.

Regular stool w/ monocytes

Front 7

Clostridium Difficile

Back 7

-Gram Positive rod (anarobic) that is spore forming.
-Usually occurs when normal flora is killed by antibiotics such as clindamycin.
-releases A & B toxins casuing diarrhea.
-treatment metronidazole, voncomycin

Front 8

Peritonitis

Back 8

organisms - Enterococcus, Streptococcus, coliforms, and anarobes.