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med > Infectious diseases > Flashcards

Infectious diseases Flashcards

1
Q

Ix for HIV

A

ELISA for HIV antibody and antigen (p24)

Viral load and CD4 count used for monitoring not diagnosis

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2
Q

How to dx cryptococcal meningitis

A

India ink stain of CSF

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3
Q

How do you diagnose PCP?

A

Bronchoalveolar lavage and silver staining

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4
Q

When do you treat hep B infected with antivirals?

A

High viral load
Cirrhosis
Chronic liver inflammation (ALT>30)

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5
Q

What risks are associated with hep B infection?

A

Cirrhosis

HCC

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6
Q

How can you assess the degree of liver fibrosis non-invasively?

A

Do fibroscan

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7
Q

How is hep B treated?

A

Pegylated interferon alpha or tenofovir

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8
Q

What are the tests for latent TB?

A

Quantiferon test

Mantoux test

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9
Q

Ix for active TB

A

CXR
Sputum smear and culture
NAAT

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10
Q

Outline CURB score

A 
Confusion
RR>30
BP<90 systolic
Urea > 7
>65
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11
Q

What are the two pathogens most likely to cause cellulitis?

A

Group A strep (s.pyogenes)

S.aureus

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med (25 decks)

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