Infectious Disease

Question 1

Indications of foley catheter

Answer 1

1. perioperative (remove on day 2)
2. Monitor i/o in critically ill patients
3. for healing sacral or perineal wound
4. Management of acute urinary retention

Question 2

Indications for MDRO ABX

Answer 2

1. Hospitalization >5 days
2. Recent antibiotic use
3. Admission from Health care facility
4. Immunosuppression

Question 3

Treatment Regiment for MAC

Answer 3

Clarithro/Azithromycin
Ethambutol
Rifampin/Rifabutin

Question 4

HIV opportunistic infections with CD4 counts
<200
<100
<50

Answer 4

<200- PJP= M/W/F Bactrim
<100- toxoplasmosis- daily bactrim
<50- MAC - Azithromycin 1200mg/Week

Question 5

Treatment of Mycobacterium Kanasaii

Answer 5

Ethambutol
Isoniazid
Rifampin

Question 6

Diagnostic Criteria for MAC

Answer 6

1. Imaging consistent with MAC
2. Sputum sample x2 OR BAL x1
3. Histopathological sample positive

Question 7

Mycobacterium abscessus, Mycobacterium fortuitum, and Mycobacterium chelonae infections

Answer 7

Immunocompromised patients
Skin infections
Following trauma, catheter, cosmetic procedures

Question 8

Meropenem Coverage

Answer 8

Gram Positive - Not MRSA
Gram Negative +pseudomonas
* good CNS penetration

Question 9

Live Attenuated Vaccines

Answer 9

• Varicella
• MMR
• Influenza Intra-nasal
• Small pox
• Yellow fever

Question 10

Tuberculosis Treatment Regiment

Answer 10

RIPE X 8 WEEKS
RI X 4 MONTHS
* If no P in the first 8 weeks- then RI for 7 months

latent TB:

• isoniazid x 9 months
• rifampin x 4months

Question 11

TB limits for TBT skin test
>5mm
>10mm

Answer 11

> 5mm

• HIV
• Immunocompromised
• Exposure to known TB
• Evidence of old TB on CXR

> 10MM

• from endemic region in last 5 years
• Health care worker/resident/prison
• IVDU
• Mycobacterial lab worker

Question 12

Lyme Disease Treatment

Answer 12

Early: Doxy x 28days
Neuro or carditis: CTX
Facial palsy or arthritis: doxycycline

Prophylaxis with 200mg Doxy 
Indicated if all 5 criteria are met: 
1. Ixodes Tick 
2. Attached for 36+ hours or engorged 
3. Prophy delievered with 72 hours of tick removal 
4. >20% infection rate in region 
5. no CI to doxy

Question 13

Babesiosis

Answer 13

Tick borne illness 
NE USA 
Sx: 
- myalgia, headache, fevers 
- hemolytic anemia
- jaundice
- kidney failure 

Intraerythrocytic parasites

tx: in asymptomatic- monitor
atovaquone and azithromycin

Question 14

Ehrlichiosis and Anaplasmosis

Answer 14

Tick borne illnes
Sx:
– Fever, headache, myaglias
– Thrombocytopenia, leukopenia
– elevated AST, ALT, normal tbili and alk
– Morulae in the cytoplasma of leukocyte

Tx: Doxycycline