L53 Flashcards Preview

HDID Block 2 > L53 > Flashcards

Flashcards in L53 Deck (17):
1

What is one physical exam technique you want to be sure to take when evaluating a patient with diarrhea?

Orthostatic pulse & BP

2

Which 3 bacteria are the most likely causes of acute gastroenteritis?

SA
Clostridium perfringens
Bacillus

3

Symptoms of acute gastroenteritis

Sudden onset + short duration
Vomiting may also be seen

4

Treat acute gastroenteritis

Rehydration

5

Major causes of acute watery diarrhea

1. ETEC, EAEC, EPEC
2. Vibrio cholerae - cholera
3. Campy, salmonella, shigella, EIEC

6

Treat acute watery diarrhea

Rehydration w/ glucose & Na - osmotic balance shift via Na/glucose transporter

7

Major bacteria agents cause acute inflammatory diarrhea

C.diff
Campy, salmonella, shigella, EHEC. EIEC, yersinia

8

Complication of acute inflammatory diarrhea

Dysentery

9

Which patients are you going to get a diarrhea culture for?

Immune compromised
Present w/ dysentery
Suspect cholera

10

What is the first test you might order on a patient with diarrhea?

Fecal leukocytes/lactoferrin

11

Why do you treat shigella patients with anti-microbials?

Decrease shedding - decrease spreading to close contacts
B/c low infectious dose

12

Treat shigella

Beware anti-microbial resistance
Cipro
Azithro
TMP+SMX
Ceftriaxone

13

What is your first line of therapy for cholera? Second?

1st = oral rehydration
2nd = drugs to shorten duration
- Doxy
- Azithro
- Cipro

14

Do you treat salmonella and EHEC w/ antimicrobials?

NO
Salmonella = gets WORSE w/ antibiotics
EHEC = linked to HUS

15

What is your first choice for traveler's diarrhea? 2nd?

1. Oral rehydration
Loperamide
2. Cipro or rifaximin

16

Do you treat campylobacter with antimicrobials?

NO if been over 3 days infected - no benefit, only work if started early

17

What cases SHOULD you use anti-microbials for diarrhea?

C.diff
Shigellosis - unclear choice but should
Traveler's diarrhea when unresponsibe to anti-motility agents
Severe cholera
Early campylobacter