Microbiology 10: Pyrexia Of Unkown Origin Flashcards

1
Q

which 3 components define Pyrexia of unknown origin ?

A) a temperature > 38 degrees C
B) a blood pressure below 80/60
C) duration > 3 weeks
D) no certain diagnosis after 1 week in hospital
E) a temperature > 38.3 degrees C
F) Elevated white cells
A

C
D
E

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2
Q

Which 2 conditions can cause a really high ferritin ?

A

Adult onset Stills

Macrophage activation syndrome

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3
Q

What is a test for latent TB ?

A

IGRA (interferon-gamma release assay)

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4
Q

What is the scoring criteria for infective endocarditis called ?

A

Duke’s criteria

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5
Q

Elderly women presents with jaw claudication, headache and a raised ESR.

What is the most likely diagnosis ?
What is the gold standard diagnostic test ?

A
Temporal arteritis (GCA)
Temporal artery biopsy
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6
Q

A 20 year old male presents with a fever of 39.4 degrees C, arthralgia, salmon pink rash and his blood tests showed very high ferritin.

What is the most likely diagnosis ?

A

Adult onset Stills disease

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7
Q

What is the definiton of PUO?

A

Fever >38.3ºC on several occasions persisting >3 weeks without diagnosis despite >1 week of intensive investigation

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