Diarrheal Diseases

Question 1

treatment for Cyclospora

Answer 1

TMP-SMX

Question 2

Treatment of choice for Giardia

Answer 2

Tinidazole

Question 3

watery diarrhea without vomiting, incubation time <24 hours

Answer 3

clostridium perifringens

Question 4

causes of acute gastroenteritis (+ vomiting) < 24 hours

Answer 4

bacillus cereus and staph aureus

Question 5

when should campylobacter resolve by

Answer 5

7 days, no treatment necessary

Question 6

clinical presentation of s. aureus and bacillus cereus

Answer 6

watery diarrhea and vomiting

Question 7

incubation period of norovirus and rotavirus

Answer 7

1-2 days

Question 8

clostridium perifringens incubation time

Answer 8

8-16 hours

Question 9

clostridium perifringens can be acquired rom

Answer 9

meat, poultry, canned foods

Question 10

GI bug that is a mimic of appendicitis

Answer 10

yersenia enterocolitica and yersinia pseudotuberculosis

Question 11

management of ETEC/STEC

Answer 11

supportive care
no anti motility agents
no antibiotics

Question 12

two post infectious complications of campylobacter

Answer 12

GBS
reactive arthritis

Question 13

two countries with high rates of macrolide resistance to campylobacter

Answer 13

thailand and ireland

Question 14

treatment of campylobacter

Answer 14

azithromycin
cipro or levo

Question 15

antibiotics to treat salmonella

Answer 15

FQ
TMP-SMX
Azithromycin
Ceftriaxone

Question 16

indications for treatment of shigella

Answer 16

IC
HIV
Bacteremia
Food handlers, HCWs, Childcare workers, SNF residents

Question 17

treatment of shigella

Answer 17

FQ or Ceftriaxone

Question 18

type of meat associated with yersinia

Answer 18

pork

Question 19

GI disease that can present with pharyngitis

Answer 19

yersinia

Question 20

treatment of yersinia

Answer 20

only indicated for severe disease or underlying IC condition

Question 21

yersinia treatment

Answer 21

FQ or Ceftriaxone

Question 22

treatment of vibrio cholera

Answer 22

fluid resuscitation
macrolides, FQ, tetracyclines

Question 23

risks for invasive disease with vibrio vulnficus

Answer 23

hemochromatosis
cirrhosis

Question 24

treatment of vibrio vulnificus

Answer 24

Tetracycline plus Ceftriaxone
OR
FQ alone

Question 25

gram stain of aeromonas

Answer 25

gram negative

Question 26

treatment of listeria diarrhea in pregnant women

Answer 26

Amoxicillin

Question 27

criteria for severe CDI

Answer 27

SCR >1.5 and WBC >15k

Question 28

clostridium perifringens treatment

Answer 28

supportive, no antibiotics

Question 29

risk factor for development of scombroid

Answer 29

not storing fish 4C or lower, causes bacterial overgrowth and build up of histamine and other biogenic amines

Question 30

flushing, hives, headache, diarrhea, tachycardia, palpitations after eating dark fish

Answer 30

scombroid

Question 31

severe features of scombroid poisoning

Answer 31

bronchospasm, arrhythmias

Question 32

treatment of scombroid

Answer 32

antihistamines

Question 33

ciguatera toxin is found in which types of fish

Answer 33

reef fish

Question 34

where does ciguatera toxin come from

Answer 34

dinoflagellates

Question 35

diarrhea, vomiting, weakness, paresthesias, bradycardia, hypotension following eating fish

Answer 35

ciguatera toxin

Question 36

reversal of ciguatera toxin with neuro effects

Answer 36

mannitol, gabapentin, amitriptyline, pregabalin