B51 enterocolitis

Question 1

What are the major types of diarrhea that can occur in enterocolitis?

Answer 1

1. Secretory
2. Osmotic
3. Exudative
4. Malapsorptive
5. of Deranged Motility

Question 2

Describe secretory diarrhea

Answer 2

Due to net fluid secretion into the intestine. Fluid is isotonic. Diarrhea persists during fasting.

Question 3

Describe osmotic diarrhea

Answer 3

Solutes within the intestinal lumen cause osmotic water loss.

Subsides when fasting.

Question 4

Describe exudative diarrhea

Answer 4

Purulent or bloody stools caused by infectious enterocolitis.

Persists when fasting.

Question 5

Describe Malabsorption diarrhea

Answer 5

Bulky, oily, steatorrhea

subsides with fasting

Question 6

Describe diarrhea of deranged motility

Answer 6

Really variable, diagnosed by exclusion.

Question 7

Major causes of infectious enterocolitis

Answer 7

• Enteroviruses
• Adenoviruses
• Rotaviruses
• Caliciviruses
• The various E Colis
• Shigella
• Campylobacter
• Vibrio
• Salmonella
• Entamoeba histiolytica
• Giardia lamblia
• Whipworm, trichuris trichuria
• Roundworms, ascaris lumbricoides
  *

Question 8

What are the major differences between viral and bacterial enteritidis?

Answer 8

Viral:

• Infects and destroys the epithelium, impedes absorptive function.
• Cause secretory and osmotic diarrhea.

Bacterial:

• can be toxin mediated: C. perfringens, S. aureus,
• Luminal infection: Vibrio, ETEC
• Enteroinvasive infections: Shigella, EIEC
• Bacterial enteritidis is usually more severe than viral.