Hepatitis Flashcards

(28 cards)

1
Q

Viral hepatitis

A

systemic condition; mostly liver inflammation

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2
Q

Viral causes of hepatitis

A

CMV, Epstein-Barr

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3
Q

non-infectious causes of hepatitis

A

Drugs, chemicals, bacteria

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4
Q

Most common types of hepatitis

A

HBV, HCV

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5
Q

What type of hepatitis is the worst for pregnancy?

A

HEV

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6
Q

Strains of hepatitis

A

HAV, HBV, HCV, HDV, HEV

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7
Q

Patho of viral hepatitis

A
  • Infection
  • immune response (inflam mediators)
  • lysis of infected cells
  • edema and swelling around infectious cells
  • tissue hypoxia
  • hepatocyte death
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8
Q

CM of viral hepatitis

A

Mostly asymptomatic; inc LFTs

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9
Q

Stages of viral (A, B, and C) hepatitis

A

Prodromal, icteric, recovery

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10
Q

Prodromal stage

A
  • 2W post-exposure
  • fatigue, anorexia, malaise, N/V, HA, hyperalgesia, cough, low fever
  • highly transmissible
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11
Q

Icteric “active phase”

A
  • begin with jaundice
  • 1-2 W post-prodromal to 2-6W
  • jaundice, dark pee, clay poo
  • liver enlarge and painful
  • fatigue, ab pain peristent or inc in severity
  • can become chronic from this stage
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12
Q

Recovery phase

A
  • enzymes back to normal 6-8W post-exp
  • jaundice resolves
  • liver remains longer and tender
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13
Q

Complications of viral hepatitis

A

Chronic hepatitis, liver cirrhosis, liver cancer, fulminant viral hepatitis

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14
Q

Hep A

A
  • transmit via focal, oral, sexual, parenteral
  • acute onset with fever
  • usually mild
  • doesn’t lead to chronic
  • kids and adults
  • hand hygiene, hep A vax
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15
Q

Hep B

A
  • transmit thru IDU or sex (often thru sub abuse communities)
  • insidious
  • severe, prolonged, or chronic
  • any age affected
  • HBV vax, safe sex, hygiene
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16
Q

Hep C

A
  • trans thru sex, IDU, maternal-fetal, medical mishaps
  • slow, insidious
  • more symptoms than B (mild to severe)
  • 80% becomes chronic
  • all ages affected
  • screening, hygiene, NO vax
17
Q

What can Hep C lead to

A

hepatocellular carcinoma, liver transplant

18
Q

Hep A vax

A
  • 2 doses 6M apart
  • recommended for high risk (travel, HC, handling food)
  • all kids begin at age 12M
19
Q

Hep B vax

A
  • 3 doses 4M apart
  • recommended for all infants
  • titer for healthcare workers
20
Q

Hep C vax

A

THERE IS NONE

21
Q

HBV pharm

A
  • quick medical advances
  • often ppl get tx in clinic
  • multiple strains, multiple drugs (mutates)
22
Q

Which hepatitis were you guaranteed to get if you were exposed to it in the 80s?

23
Q

Drugs for HBV

A
  • interferons
  • nucleoside analogs
24
Q

High risk for HBV

A

inc AST, hepatic inflammation, advanced fibrosis

25
Disadvantages of HBV tx
long therapy, expensive, lots of SE, high relapse into acute hep
26
HCV pharm
Now treated with new drugs for people with a detectable viral load - for chronic disease - direct-acting anti-viral therapy - interferon based regiment - nucleoside analogs
27
How much Tylenol can people with hepatitis take?
2g but NOT if serious advanced liver disease (and no NSAIDs)
28
Barrier to HCV pharm
$$$