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11 Cards in this Set
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- Back
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what serologic tests are done to screen blood for hepatitis b?
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HBsAg
anti-HBcAg |
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what % of hepatitis B patients become chronic carriers?
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5-10%
because 65% of cases are asymptomatic, many chronic carriers of Hep B have no idea they ever had hepatitis B and that they carry it. |
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how is hepatitis A spread?
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fecal - oral
"infectious hepatitis" |
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how is hepatitis B spread?
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blood
IVDU sex secretions "serum hepatitis" |
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what/when is the window?
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in hepatitis B serology, between 6-7 months post infection, HBsAg is no longer detectable, but anti-HBsAg is not yet detectable. Anti-HBcAg IS detectable at this time however.
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what is the treatment for hepatitis B?
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vaccination + passive immunization with anti-HBV Ig
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what does HBeAg signify?
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high infectivity - intact virions!
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of people who acquire Hep C, how many go on to become chronic carriers?
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50% !!!!
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of people who acquire Hep C, how many go on to have cirrhosis or hepatocellular carcinoma?
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5 % develop cirrhosis
15 % of those with cirrhosis develop hepatocellular carcinoma |
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how is NAT used to screen blood?
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for HepC and HIV
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what is the treatment for hepatitis C?
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50% of people become chronic carriers
goal is to prevent disease from progressing to cirrhosis IFN + ribavirin |
