hepatitis Flashcards

1
Q

Hep A type of virus

A

RNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Hep A spread and peak age

A

faecal oral or shellfish, childhood

most common cause of Hep in returned travellers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Hep A acute or chronic?

A

acute, no chronic!

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

rare cause of Hep A

A

EBV

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

lab Hep A

A

clotted blood for serology

rise in hep A IgM - recent infection, IgG detectable for life

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Hep A control

A

hygiene vaccine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Hep B type of virus

A

DNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Hep B spread

A

sex, blood, mother to child

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Hep B infectivity and chronic vs hep C

A

hep B - very infectious and less likely to become chronic

hep C - most patients chronic carriers, less infectious

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

rare cause of hep B

A

yellow fever virus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Hep B

HbsAg

A

infectious and infected

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Hep B

antiHbsAg

A

vaccinated and recovered

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Hep B

HbeAg

A

highly infective

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Hep B

antiHbcAg

A

past infection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Hep B DNA titre

A

high in highly infectious patients

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

control of Hep B

A

minimise exposure

vaccination

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

antiHbe Hep B

A

low infectivity

18
Q

Hep C virus type

A

RNA flavivirus

19
Q

spread of Hep C

A

similar to hep B but less so by sex

20
Q

incubation period of Hep c

A

4-6weeks

21
Q

incubation period of Hep B

A

4-6 months

22
Q

vaccine to hep C?

A

no

23
Q

out come of Hep C

A

chronic hepatitis or cirrhosis

24
Q

lab of Hep C

A

first test for Ab to Hep C

then PCR for Hep C RNA to see if active or past infection

25
Q

which Hep exacerbates Hep B

A

D

26
Q

Hep E spread

A

facial oral, zoonosis, person to person in IC/tropics

27
Q

Hep E rare cause

A

cytomegalovirus

28
Q

most common Hep in UK

A

E

29
Q

vaccine for Hep E?

A

no

30
Q

treatment for acute hepatitis

A

NO ANTIVIRALS
monitor for encephalopathy or resolution
public health
immunise contacts

31
Q

treatment for chronic hepatitis

A

antivirals and interferon alpha

hepatocellular cancer awareness or screening

32
Q

how is interferon alpha available

A

peginterferon

33
Q

list antivirals used

A

-fovir

adefovir, entecavir, tenofovir

34
Q

contraindication to antivirals

A

liver cancer

35
Q

how does one use peginterferon in Hep C patients

A

with ribavirin and protease inhibitor

36
Q

peginterferon side effects

A

flu like

37
Q

what is peginterferon not very successful in

A

Hep D

38
Q

what is Hep D

A

incomplete RNA virus - needs HPB for its assembly

39
Q

what does ribavarin have a side effect of

A

anaemia

40
Q

hep C rare cause

A

herpes simplex virus

41
Q

what is possible with peginterferon and antivirals

A

a sustained cure is possible with peginterferon

antivirals only suppress

42
Q

treatment of Hep B

A

peginterferon alone or antiviral therapy