Block 46, 47,48 ID Flashcards Preview

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Flashcards in Block 46, 47,48 ID Deck (68)
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1

when does ventilator-associated pneumonia occur

48 hours or more after intubation

2

First step in management for ventilator-associated pneumonia

Chest x-ray

3

clinical features of Ehrlichiosis

- acute febrile illness with malaise and altered mental status
- not associated with rash

4

lab values for Ehrlichiosis

leukopenia
thrombocytopenia
elevated aminotransferases

5

treatment for Ehrlichiosis

Doxycycline

6

Second line treatment for Ehrlichiosis

Chloramphenicol

7

Enterococci species are common causes of infective endocarditis associated with

procedural manipulation of the urinary tract infection

8

Indications for corticosteroid use in Pneumocystis pneumonia include

PaO2 less than 70 mmHg
OR
A-a gradient greater than 35 on room air

9

where can one get blastomycosis

Great Lakes
Mississippi
Ohio River basin

10

lumbar puncture for herpes encephalitis

- elevated wbc
- lymphocytic predominance
- normal glucose
- elevated protein

11

what is Chlordiazepoxide used to treat

alcohol withdrawal in hospitalized patients

12

choice of antibiotics for immunocompromised patients with suspected bacterial meningitis

Cefepime, vancomycin, ampicillin
- corticosteroids: discontinue if an organism other than strep. pneumonia shows

13

When you have infective endocarditis, what is the best next step in management

- Blood cultures before initiating antibiotics

14

Who and what is mycobacterium avium complex

infection found in HIV patients with CD less than 50

15

what is a PE and lab value finding for mycobacterium avium complex

splenomegaly
alkaline phosphatase

16

what prophylaxis treatment should mycobacterium avium complex patients get

azithromycin

17

what does BCG vaccine stand for

Bacille Calmette-Guerin

18

common antibiotic options for anaerobic coverage include

1. metronidazole with amoxicillin
2. amoxicillin-clavulanate
3. clindamycin

19

Jarisch-Herxheimer reaction

- acute, febrile reaction--> rapid destruction of spirochetes
- less than 12 hours after initial treatment of syphilis
- headache, myalgias, rigors, sweating, hypotension, worsening of syphilitic rash

20

what is immune reconstruction inflammatory syndrome

HIV pts initiated on highly active antiretroviral txt,
- paradoxical worsening of infectious symptoms due to immune system improvement

21

Cryptosporidium parvum is a major cause of what

chronic diarrhea in pts with HIV
CD count less than 180

22

difference between acute HIV and EBV

HIV: rash and diarrhea
EBV: tonsillar exudates

23

what does RPR stand for

rapid plasma reagent

24

highest sensitivity testing for syphillis

florescent treponemal antibody absorption

25

pathergy test is useful for diagnosing what

Bechet syndrome: oral ulcers and multiple, painful genital ulcers

26

many hospitalized patients with pyelonephritis can be transitioned to what after 48 hours of symptom improvement

culture-guided oral antibiotics

27

where is sporothrix schenckii

decaying vegetation and soil

28

treatment for sporothrix schenckii

itraconazole

29

infective endocarditis most likely impacts what heart valve

mitral regurgitation

30

antinuclear antibody can detect what

lupus