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7 Cards in this Set
- Front
- Back
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Hepatitis B virus:
1. type of genome 2. 2 steps in viral genome replication 3. 3 routes of transmission 4. Predominant result of infection |
1. DNA
2. DNA -- RNA (viral RNA polym) -- DNA (viral reverse transc) 3. blood, sexual, placental 4. resolution |
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Describe the "window period" found in hepatitis B infection
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period of time where HBeAg & HBsAg are not detectable in blood, while virus is incubating.
can often detect anti-HBc ab |
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Serologic findings in pts w/ chronic active HBV infection
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continual high levels of HBsAg, HBeAg, and anti-HBc ab months to years after exposure.
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Serological finding in pts immunized against HBV
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positive HBsAb in serum
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2 HBV txs
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RT inhibitors, nucleoside analogues:
1. lamivudine 2. hepsera |
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Hepatits D virus:
1. another name? 2. What is required for infection? 3. genome |
1. delta ag
2. HBV, either coinfection or superinfection 3. RNA |
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Hepatitis C virus:
1. genome 2. 3 routes of transmission 3. predominant result following exposure |
1. + RNA
2. blood, sex, IVDU 3. persistent infection (assx, failure, cirrhosis, HCC) |
