Hep A
What is the main way Hep A is transmitted from person to person?
fecal-oral contamination
What virus does hep D need to cause disease?
Hep B
Routine screening for hepatitis B includes ordering this lab.
hepatitis B surface antigen (HepBsAg)
Can a patient with Hep B breastfeed?
Yes!
Name one clinical scenario in which triple screen for Hep B should be completed in a pregnant patient?
Scenario #1: >18yo and
no hx of a negative triple screen
or
no hep B vaccine series
Scenario #2: patient with ongoing risk factors for Hep B
What is the vertical transmission rate of hepatitis B without prophylaxis?
90% without prophylaxis, 5% with prophylaxis
Co-infection with this virus increases the vertical transmission rate of Hepatitis C
HIV
This test should be obtained after a HBsAg positive test.
Hep B virus DNA quant
What is the risk of vertical transmission during amniocentesis?
Low
This epidemic has lead to a significant increase in hepatitis C infections in the US.
Opioid epidemic
At what viral load should antivirals be started to prevent the risk of vertical transmission?
> 200,000 international units/ml
What are risk factors for contracting hepatitis B?
IV drug use, unprotected intercourse with multiple partners, or having a partner that participates in the prior two activities
The number of doses in the hepatitis Vaccine series.
3 doses (now, 1mo, then 6mos)
HBsAg : negative, anti-HBc: negative, anti-HBs: positive
Immune due to hepatitis B vaccination
The CDC recommends babies get the HBIG shot and the first dose of hepatitis B vaccine within this timeframe of being born.
12 hours