Gonorrhea lol and enteropathogenic infections Flashcards Preview

Unit 6: Pathology > Gonorrhea lol and enteropathogenic infections > Flashcards

Flashcards in Gonorrhea lol and enteropathogenic infections Deck (23):
1

What infections does Gonorrhea cause

endocervicitis in women
urethritis in men

2

Who is more symptomatic with gonorrhea infection?

men usually - purulent discharge

3

Bacteriology of E coli ?

facultative aerobic gram -
ferments lactose

4

What is the appearance of E coli on EMB agar

metallic green sheen

5

Ecoli is the most common cause of what two diseases?

UTI and septicemia

6

In neonates ecoli is the second most common cause of septicemia after what other infection?

group B strep

7

Describe disease with ETEC?

Travelers diarrea - watery

8

Describe disease with EIEC?

invasive - bloody diarrhea

9

Describe disease with EHEC? What toxin causes the symptoms?

adults - mild bloody
kids - HUS - think post cheeseburger eating

-shiga toxin

NO Fever, PMNs or pus - noninvasive

10

What is the usual serotype that causes EHEC?

O157, H7

11

What is the treatment for EHEC?

supportive care ONLY
antibiotics are contraindicated

12

Bacteriology of salmonella

gram - rod
facultative anaerobe
nonlactose fermenting

13

How can we remember that salmonella is motile?

"salmon swim upstream" - they have flagella

14

What is the classic rash that occurs in typhoid fever?

rose spots

15

Salmonella is the most common cause of osteomyelitis in what group of patients?

sickle cell patients

16

What is the most common cause of bacterial gastroenteritis in the us? food poisoning?

gastroenteritis: campylobacter

food poisoning: C perfiringens

17

Remind me again how we differentiate the enterobacteria (using lactose, H2S, motile)

Lactose fermenters: E coli, Klebsiella
Nonlactose fermenters:
Non motile, non h2S producers: shigella, yersinia
Motile, H2S producers: salmonella, proteus

18

What is special about shigella in comparison to salmonella and ecoli?

low infectious dose required - acid resistant

19

What pathogen causes rice water stools

cholera

20

bacteriology of cholera

curved gram negative rods
oxidase positive

21

bacteriology of campylobacter

curved gram negative rods
oxidase positive

22

What is the reservoir for campylobacter

poultry

23

What are some post-infective complications of campylobacter

1. GBS
2. reactive arthritis