Infectious Disease

Question 1

At what CD4 count do you get PJP?

Answer 1

< 200

Question 2

What infection do you get at CD4 < 50

Answer 2

MAC
PCNSL
Bacillary angiomatosis

Question 3

What infection do you get at CD4 < 100?

Answer 3

PML - JC virus

CNS toxoplasmosis

Question 4

After how long can HIV ab be detected?

Answer 4

3 weeks some

3 mo definitely

Question 5

What screening test do you do for HIV ?

Answer 5

ELISA

p24 antigen / HIV Ab test

Question 6

How to confirm HIV?

Answer 6

Western Blot

Question 7

When to prophylaxis against PJP?

Answer 7

CD < 200 or

Oral candida

Question 8

When to prophylaxis against toxoplasmosis ?

Answer 8

IgG +ve toxoplasmosis PLUS CD < 100

Question 9

When to prophylaxis against TB ?

Answer 9

PPD > 5mm

Contact with person with active TB

Question 10

When to prophylaxis against MAC ?

Answer 10

CD4 < 50

Question 11

CURB 65 RULE?

Answer 11

Confusion 1 
Urea > 7 or BUN > 20 
RR > 30 
BP < 90 
65 > 65 yo

Question 12

Mortality risk based on CURB 65?

Answer 12

Points:
0 - 1 –> 5%
2 - 3 –> 5 - 15%
> 3 –> 15 - 30 %

Question 13

Treatment of CAP pneumonia in :

1. Outpatient
2. No abx in last 3 mo

Answer 13

Ceftriaxone OR Azythromycin OR Doxycycline

Question 14

Treatment of CAP pneumonia in :

1. Outpatient
2. Comorbidities/recent abx use

Answer 14

Ceftraxiaone +/- azythro
OR
fluoroquinolone (xacin)

Question 15

Treatment of CAP pneumonia in the ward

Answer 15

Ceftraxiaone +/- azythro
OR
fluoroquinolone (xacin)

Question 16

Treatment of CAP pneumonia in ICU?

Answer 16

Ceftriaxone
PLUS
Azythro or fluoroquinolone

Question 17

Aspiration pneumonia treatment?

Answer 17

Clindamycin

Question 18

Treatment of HAP with no MRSA/no high risk?

Answer 18

Pip-Taz 
OR 
Cefepime 
OR 
Levofloxacin 
OR 
Meropenem

Question 19

Treatment of HAP with MRSA but no high risk?

Answer 19

Pip-Taz OR Cefepime OR Levofloxacin OR Meropenem
PLUS
VANC/Linezolid

Question 20

Indications for pneumovax (plysaccharide)?

Answer 20

> 65 yo

> 24 mo with immunodeficiency, congenital/anatomical abnormality

Question 21

Indications for prevnar-13 ( conjugated )?

Answer 21

< 5 yo

Age 5-17 yo at high risk of pneumonical disease

Question 22

Diarrhoea after having egg salad?

Answer 22

S. Aureus

Question 23

Diarrhoea after camping?

Answer 23

Giardia

Question 24

Diarrhoea after a BBQ that is bloody?

Answer 24

EHEC

Question 25

Diarrhoea after a egg salad / potatoes salad /eating chicken that is bloody?

Answer 25

Salmonella

Question 26

Diarrhoea after chicken / meat ?

Answer 26

Camp.

Question 27

Prophylaxis in someone who has had IE now having dental procedure?

Answer 27

Amoxicillin single dose before (30mn before )

Question 28

Prophylaxis in someone who has had IE now having skin procedure?

Answer 28

Cephalexin single dose before

Question 29

Organism related to cat bite?

Answer 29

Pasteurella
S. Aureus
S. Viridans

Question 30

Treatment of cat bite?

Answer 30

Amoxi-clav

Question 31

Organism related to cat scratch?

Answer 31

Bartonella Hensellae

Question 32

Treatment of catch scratch?

Answer 32

Azythromycin

Question 33

Human bite organism?

Answer 33

Staph Aureus
Group B strep
Eikenella

Question 34

Treatment of human bite?

Answer 34

Surgery
Irrigation
Amoxi clav OR clindamycin

Question 35

Organism related to dog bite?

Answer 35

Pasteurella
S. Aureus
S. Viridans