[18] Arthropod-Borne Infections Flashcards Preview

[OS 217] Infectious Diseases > [18] Arthropod-Borne Infections > Flashcards

Flashcards in [18] Arthropod-Borne Infections Deck (21):
1

How many dengue serotypes are there?

4

2

This vector of dengue is more active outdoors and thrives in a wider range of habitats such as coconut husks and bamboo stumps

Aedes albopictus

3

This vector of dengue thrives in water-filled breeding sites and typically feeds and rests indoors

Aedes aegypti

4

What do you use for a Tourniquet test?

A sphygmomanometer cuff and not a tourniquet

5

How do you perform the tourniquet test?

What is a positive result?

1. Inflate blood pressure cuff to a point between SBP and DBP for five minutes
2. Count the total number of petechiae visible in a circle or a square with an area of 1 square inch

A positive result is more than 20 petechiae per square inch

6

How can you classify a patient as having non-severe dengue?

Patients improve after defervescence

7

How can you say that a patient is in the critical phase of dengue?

Plasma leakage

8

Dengue Warning Signs

1. Bleeding
2. Lethargy
3. Abdominal Pain
4. Pleural Effusion
5. Ascites
6. Liver Enlargement
7. Persistent Vomiting

9

The shock of dengue does not last longer than?

24-48 hours

10

Describe the convalescent rash of Dengue

"Isles of white in the sea of Red"

"Herman's Rash"

11

What antibodies should you test for a primary dengue infection?

IgM

12

What antibodies should you test for a secondary dengue infection?

IgG

13

Main difference between dengue fever and dengue hemorrhagic fever

No evidence of plasma leakage in dengue fever

14

Main problem of old WHO Classification 1997

The definitions are too rigid

15

Is dengue fever a milder case compared to dengue hemorrhagic fever?

Not always, this cannot be assumed

16

What blood component therapy should be given to patients with dengue?

Packed RBC
FWB

17

Why should you not prescribe NSAIDs for children with acute febrile illness?

This is contraindicated for Dengue

18

Treatment for CHIKV-Induced Arthralgia

NSAIDs

(This is why it's important to distinguish from dengue)

19

This disease is the most common worldwide cause of epidemic encephalitis

Japanese Encephalitis Virus

20

Japanese Encephalitis usually affects what age group?

Children

21

Vector of Japanese Encephalitis Virus

Culex tritaeniorhynchus