Infectious Disease 3% Flashcards Preview

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Flashcards in Infectious Disease 3% Deck (27):
1

Prophylaxis in HIV pts against Cryptococcosis when CD4 < ___

< 50
Fluconazole

2

MC cause of fungal meningitis

Dx:

Tx:

Cryptococus neoformans

Dx: India Ink Stain --> Cryptococal antigen in CSF

Tx: Amphotericin B + Flucytosine x 2 weeks --> Fluconazole x 10 weeks

3

Prophylaxis in HIV pts against Histoplasmosis when CD4 < ___

< 200
Itraconazole

4

Prophylaxis in HIV pts against Pneumocysitis jiroveci when CD4 < ___

< 200
Bactrim

5

Tx of choice for PCP Pneumonia

Bactrim

6

Pigeon/bird droppings

Cryptococcosis

7

Mississippi and Ohio River Valleys

Histoplasmosis

Bird/bat droppings

8

Allergic Bronchopulmonary Aspergillosis MC in pts ___

asthma, cystic fibrosis

9

Valley fever caused by ___.
MC Geographical locations:
Sx:
Dx:
Tx:

Coccidioidomycosis

SW US, Mexico, S and central America

Fever, arthralgias, erythema nodosum, erythema multiforme

Dx: IgM ab (early), Cx MOST definitive

Tx: Self limited
Fluconazole for CNS disease

10

Tx of pinworm

Albendazole*, Mebendazole

Caused by enterobiasis

Avoid in pregnancy

11

Tx of Tetanus

Metronidazole (or PCN G) + Tetanus Immune Globulin

Prophylaxis: Tdap
Td (vaccine) q 10 years (OR major cut >5 yrs since last booster)
Tetanus immune globulin 250u if NEVER immunized

12

7 Ds of Botulism

Diplopia, Dry mouth, Dysphagia, Dysarthria, Dysphonia, Decreased mm strength, Dilated fixed pupils --> Paralysis

13

Tx of Listeriosis

IV Ampicillin** + gentamicin

3rd trimester infection --> premature, stillbirth

14

Bartonella henselae causes ___
Tx:

Cat scratch disease --> lymphadenopathy**

Tx: self limited
Moderate: Amoxicillin OR Doxycycline

15

Malaria caused by:
Dx:
Tx:

Plasmodium Falciparum = most dangerous

Dx: Giemsa stain peripheral smear (Thin and thick)

Tx: Chloroquine, Atovaquone

16

AIDS = CD4 < ___

200

17

Confirmatory test of HIV:
Screening test of HIV:

Confirm: Western blot
Screening: ELISA

18

Opportunistic infections of HIV when CD4 count
500-200:
<200:
<100:
<50:

500-200: TB, Kaposi Sarcoma, Thrush, Lymphoma, Zoster
<200: Pneumocystis, Histoplasmosis
<100: Toxoplasmosis, Cryptococcus
<50: MAC, CMV retinitis

19

Persistent pyuria and microscopic hematuria associated w/ sterile urine

Renal Tuberculosis

20

Chemoprophylaxis of meningococcal meningitis

Rifampin, cipro, azithromycin, ceftriaxone

21

Confirmatory test for RMSF

Indirect fluorescent antibody

22

Urine showing pyuria without bacteriuria

Chlamydia urethritis

23

Tx of Giardia Lamblia

Metronidazole x 5 days

24

Tx of Rabies

Human rabies immune globulin + Human diploid cell rabies vaccine

25

Tx of Legionnaire's Disease (Legionella)

Azithromycin
Clarithromycin
Levofloxacin

26

Episodic bouts of high fever, chills and sweats w/ periods of relatively asymptomatic

Malaria

27

Tx of Pertussis

Erythromycin (macrolide)