Infectious Diarrhea

Question 1

What is the leading cause of global illness

Answer 1

Infectious diarrhea

Question 2

Describe the symptoms in enterotoxin, cytotoxin, and neurotoxin infections

Answer 2

Enterotoxin: watery diarrhea
Cytotoxin: bloody stools
Neurotoxin: CNS or PNS symptoms

Question 3

What are five host defenses against infectious diarrhea

Answer 3

Intestinal microbes, gastric acid, interstitial mobility, intestinal mucin, immunity

Question 4

What are common causes of infectious diarrhea

Answer 4

Travel, immunodeficiency, bacterial food poisoning

Question 5

What are s/s of clostridium perferingens, e. Coli, giardia, and vibrio cholerae infections

Answer 5

Non inflammatory enterotoxin
Watery diarrhea, mild/no fecal lactoferrin

Question 6

S/s of shigella, salmonella, campylobacter., and listeria infections

Answer 6

Cytotoxins to colon or distal small bowel
Dysentery, inflammatory diarrhea
Hematochezia

Question 7

S/s of salmonella and Entero. Infections

Answer 7

Enteric fever, headache, abd pain
Mononuclear leukocytes in stool

Question 8

How to diagnose infectious diarrhea

Answer 8

Stool culture

Question 9

what are two common parasitic infections

Answer 9

Giardia and cryptosporidium

Question 10

Treatment plan for infectious diarrhea

Answer 10

Rehydration
ABX management: typically fluroquinolones (oxacins) and Flagyl or macrolides (Azithromycin, clarithromycin, erythromycin)