Dengue Fever

Question 1

What kind of virus is the virus of Dengue Fever?

Answer 1

A single stranded RNA virus that has 4 serotypes. It can be acquired 4 times.

Question 2

How is the disease transmitted?

Answer 2

Aedes Aegypti and Aedes Albopictus.

Question 3

How else can the disease be transmitted?

Answer 3

Between mother and child
Blood Transfusion
Organ Transplantation

Question 4

What is the usual incubation period?

Answer 4

4 to 7 days but can vary from 3 to 14 days

Question 5

How many forms of Dengue exist?

Answer 5

Asymptomatic and Symptomatic forms. which are further subdivided into Dengue with Hemorrhage and Dengue without Hemorrhage

Question 6

What are the sx of Dengue Fever?

Answer 6

Fever, myalgia, retro-orbital HA, Joint and Bone pain, rash, anorexia, Nausea, vomiting

Question 7

What are the sx of Dengue Hemorrhagic Fever?

Answer 7

Sx as above plus mild to massive hemorrhage due to immune mediated vascular leak.

Question 8

What are the sx of Dengue Shock Syndrome?

Answer 8

As above with shock

Question 9

What disease strongly resembles Dengue?

Answer 9

Leptospirosis

Question 10

What are the atypical manifestations of Dengue Fever?

Answer 10

Encephalitis
Encephalopathy
Liver Failure
Cardiomyopathy

Question 11

What are the warning signs in Dengue?

Answer 11

Severe Abdominal Pain
Persistent Vomiting
Ascites/Effusions
Mucosal Bleeding
Lethargy or Restlessness
Liver edge enlarged greater than 2 cm

Question 12

What are the three phases of Dengue infection?

Answer 12

Febrile- defervescense suggests entering the critical phase
Critical
Recovery-rash with islands of nl skin