Random Flashcards Preview

ID > Random > Flashcards

Flashcards in Random Deck (6)
Loading flashcards...
1
Q

HBV PEP?

A

Known sAg positive-

  • Known responder to vaccine- give booster
  • non responder or mid vax course- give HBIG and vax

Not known status

  • known responder- booster
  • non responder- HBIG and vaccine
  • mid vac: accelerate the course, no HBIG
2
Q

HIVPEP?

A

within 1-2 hours, max 72 hours start course multiple drugs for 4 weeks
serology at 12 weeks
reduce risk 80%

3
Q

HCV PEP?

A

check HCV RNA monthly with PCR

If go positive then give IFN and ribavirin

4
Q

Needlestick highest risk?

A

Hep B 20-30%

5
Q

Syphilis- which test stays positive?

A

treponema pallidum haemagluttinin test TPHA

remember that VDRL and RPR are insensitive in late disease

false positive non treponemal with preg, SLE (they are cardiolipins), TB, leprosy, malaria, HIV

6
Q

Explain EBV serology

A

VCA IgG- up at onset of illness
VCA IgM- up at onset of illness and wanes at 3 months

EBNA- up for life from 6-12 weeks