Microbiology 24 - Fever in the Returning Traveller Flashcards

1
Q

Recall some differentials for fever and rash in the returning traveller

A

Viral: dengue, chickungunya, measles
Bacterial: typhoid (look for rose spots)

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2
Q

Recall some differentials for fever and abdo pain in the returning traveller

A

Typhoid fever

Amoebic liver abscess

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3
Q

Recall some differentials for fever and cytopaenias in the returning traveller

A

Dengue, chickungunya, typhoid, malaria

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4
Q

Recall some differentials for fever and haemorrhage in the returning traveller

A

Viral haemorrhagic fevers (dengue/ ebola)

Meningococcaemia

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5
Q

Recall a differential for fever and eosinophilia in the returning traveller

A

Schistosomiasis

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6
Q

Recall some differentials for fever > 6 weeks post-travel in the returning traveller

A

Vivax malaria
Acute hepatitis
TB
Amoebic liver abscess

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7
Q

What % of parasitaemia constitutes a severe malaria?

A

> 2%

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8
Q

What is the treatment for falciparum malaria?

A

IV Artesunate

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9
Q

What type of mosquito carries malaria?

A

Female Anopheles

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10
Q

Recall the different types of malaria

A
Falciparum
Vivax
Ovale
Malariae
Knowelsi
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11
Q

What acid base abnormality may be seen in malaria?

A

Metabolic acidosis

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12
Q

Why is malaria sometimes known as ‘blackwater fever’?

A

Due to the haemaglobinuria

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13
Q

What is the gold standard test for malaria?

A

Thick and thin blood films

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14
Q

What are the treatments for non-falciparum malaria?

A

Primaquine and chloroquine

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15
Q

What type of mosquito is a vector for dengue virus?

A

Aedes

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16
Q

What are the symptoms of dengue?

A

Fever
Headache
Myalgia
BLANCHING RASH

17
Q

What cytopaenias are expected in dengue infection?

A

Thrombocytopaenia

Neutropaenia

18
Q

What are the possible causative organisms in typhoid (enteric) fever?

A

Salmonella typhi/ paratyphi

19
Q

What is the phrase “himalaya peak fevers” pathognemonic for?

A

Typhoid fever

20
Q

What is the treatment of typhoid fever?

A

Ceftriaxone then azithromycin