Dengue

Question 1

Definition:

Answer 1

Arbovirosis transmitted by mosquito Aedes aegypti

Question 2

Epidemiology:

Answer 2

Most common arbovirosis.

Question 3

Etiology:

Answer 3

4 serotypes of dengue virus (DENV), RNA Flavivirus genus

Question 4

Family and Genus of the virus:

Answer 4

Family Flaviviridae and genus Flavivirus

Question 5

RNA type:

Answer 5

Single-stranded

Question 6

Envelope and Nucleocapsid types:

Answer 6

Lipid envelope and an icosahedral nucleocapsid

Question 7

Vetor:

Answer 7

Mosquito Aedes aegypti

Question 8

Pathophysiology:

Answer 8

Bite of a female infected Aedes ->

Question 9

Classification (2014):

Answer 9

Dengue, Dengue with alarm signals and Severe Dengue;

Classic and Dengue Hemorrhagic Fever I-IV

Question 10

Abrupt high fever that lasts 2-7d, headache, Retro-orbital pain, nausea and vomiting, weakness, arthralgias, myalgias and maculopapular rash:

Answer 10

Classic Dengue

Question 11

Fever that lasts untill 7d and 2+ symptoms of Classic Dengue, with epidemiologic history and in a transmission area in the last 15d:

Answer 11

Suspect case

Question 12

Every suspect case needs:

Answer 12

Notified to the epidemiological vigilance

Question 13

Dengue Fever:

Answer 13

Abrupt high fever that lasts 2-7d

Question 14

Fever that lasts longer than 10 days:

Answer 14

Probably not due to dengue

Question 15

Dengue Rash:

Answer 15

Maculopapular rash over the face, thorax and flexor surfaces, with islands of skin sparing

Question 16

Appearance and persist of the rash:

Answer 16

Begins on day 3 and persists 2-3d

Question 17

Intense and continuous abdominal pain, persisting vomiting, postural hypotension or lipothymy, dolorous hepatomegaly, hematemesis or melena, drowsiness or irritability, oliguria, hypotermia, high Hematocrit, abrupt plaquetopenia and respiratory disconfort:

Answer 17

Alarm signals

Question 18

Classic presentation + hemorrhagic manifestations, plaquetopenia, cavitary derrame or hypoproteinemia:

Answer 18

Dengue Hemorrhagic Fever

Question 19

Fever, inespecified symptoms and tourniquet test (+):

Answer 19

DHF Degree I