Infectious Dengue

Question 1

Most important arthropod borne disease

Answer 1

Dengue

Question 2

Principal dengur vector

Answer 2

Aedes aegypti

Question 3

More potential for severe dengue

Answer 3

SEA dengue virus 2

Question 4

Rf for dengue shock

Answer 4

presence/absence of enhancing and nonneutral antibodies
age (susceptibility drops after 12 years)
sex (f > m)
malnutrition protective
Dengue 1 then 2 (more severe)

Question 5

Incubation period

Answer 5

4-10 d

Question 6

Fever of 4d
Normal vs
Febrile
Normal pe but hepatosplenomegaly

Answer 6

Dengue with warning sign

Question 7

Warning signs

Answer 7

Abd pain or tenderness
Persistent vomiting
Clinical fluid accum
Mucosal bleed
Lethargy
Liver enlargement >2cm
Lab: inc HCT dec platelet

Question 8

Probable dengue

Answer 8

travel ib endemic area, fever, and any 2 of ff:
n&v
rash
aches, pain
Torniquet
Leukopenia 
Warning sign

Question 9

Earliest lab abnormality in dengue

Answer 9

leukopenia

Question 10

During critical phase there is increase

Answer 10

IgG and IgM

Question 11

NS1 detection at

Answer 11

4-5 d

Question 12

IgM detected at

Answer 12

3-5d
Peak at 2nd weak
Declines after 2-3m

Question 13

IgG appears

Answer 13

end of 1st week

Question 14

Compensated shock if

fluid:

Answer 14

SBS maintained but w reduced perfusion

5-10 ml/kg/h over 1 h

Question 15

If no clinical improvement but HCT improved after first infusion of 5-10 give

Answer 15

2nd bolus

10-20 ml/kg/h in 1 h

Question 16

Shellfish
mollusc
crustacean

Answer 16

V parahemolyticus

Question 17

Diarrhea after seafood but now with cellulitis

Answer 17

Vibrio vulnificus