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Infectious Diseases > Dengue fever > Flashcards

Dengue fever Flashcards

1
Q

What is the aetiology of dengue fever?

A

Dengue is an RNA virus - flavivirus, transmitted by mosquitoes

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2
Q

What is the clinical presentation of dengue fever?

A

Fever
Headache - retro-orbital
Myalgia
Bone pain
Pleuritic pain
Facial flushing
Maculopapular rash
Mucosal bleeding

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3
Q

What is dengue shock syndrome?

A

Triad of tachycardia, hypotension and narrow pulse pressure, seen in severe dengue

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4
Q

What is the incubation time of dengue fever?

A

1 week post exposure

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5
Q

What blood results would be seen in dengue fever?

A

Leukopenia
Thrombocytopenia
Raised aminotransferases

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6
Q

What are the diagnostic investigations for dengue?

A

Dengue serology
NAAT resting for viral RNA
NS1 antigen test

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7
Q

What is the management of dengue fever?

A

Supportive
- Fluid resuscitation
- Analgesia
- Blood transfusion

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Infectious Diseases (5 decks)

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