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Medical Microbiology > Contact STDs Viral Disease > Flashcards

Contact STDs Viral Disease Flashcards

Genital herpes, Hepatitis B, Hepatitis C (not STD, by contaminated blood), HIV/AIDS

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards USMLE® Step 1 flashcards
1
Q

CA - genital herpes

A

Herpesviridae family
- HHV-2
- enveloped DNA virus

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2
Q

Reservoir - genital herpes

A

Human

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3
Q

Transmission - genital herpes

A

Spread by sexual contact

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4
Q

Sxs - genital herpes

A

Painful vesicles (fluid filled) on the genitals, painful urination
- heals within 2 weeks
- recurrent episodes (herpes you can never get rid of)

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5
Q

Diagnosis - genital herpes.

A

Via culture or PCR

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6
Q

VF - genital herpes

A

Virus can hide in the nervous system

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7
Q

Prevention - genital herpes

A

Education & safe sex practices

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8
Q

Treatment - genital herpes

A

Management with antiviral drugs

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9
Q

Misc - genital herpes

A

2 most common STD

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10
Q

Neonatal Herpes - genital herpes

A

Herpesvirus crosses the placental barrier —> infects the fetus
- damages the CNS, developmental delays, blindness, hearing loss
- survival rate 40%
- newborns infected during vaginal delivery

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11
Q

CA - Hepatitis B

A

Hepatitis B virus
- enveloped, DNA

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12
Q

Sxs - Hepatitis B

A
  • mild to severe
  • acute infection of:
    • fever, nausea, & VOMITTING, LOSS OF APPETITE, JAUNDICE
  • most adults fully recover

Chronic infections :
- liver failure, cirrhosis, liver cancer

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13
Q

Diagnosis - Hepatitis B

A

Blood tests, liver ultrasound, liver biopsy

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14
Q

Transmission - Hepatitis B

A
  • Sexual contact
  • accidental needle sticks
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15
Q

Prevention - Hepatitis B

A

Vaccine
- education & safe sex

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16
Q

Treatment - Hepatitis B

A

No cure, only management

Antivirals
Interferon injections
Liver transplant

17
Q

CA - hepatitis C

A

Hepatitis C virus
- enveloped, RNA

18
Q

Sxs - Hepatitis C

A

Acute infections: usually asymptomatic but sometimes fever, nausea, VOMITTING, LOSS OF APPETITE, JAUNDICE
- most patients will develop chronic hepatitis:
- liver failure, cirrhosis(liver scarring), liver cancer

19
Q

Diagnosis - Hepatitis C

A

Blood tests, liver ultrasound, liver biopsy

20
Q

Transmission - Hepatitis C

A

CONTAMINATED BLOOD: blood transfusions, tattoos, IV drugs

21
Q

Prevention - Hepatitis C

A

NO vaccine
- universal safety blood handling

22
Q

Treatment - Hepatitis C

A

NO cure, only management
- daily Antivirals for 2-6 months
- virus is not detected in the blood
- liver transplant
(They are very expensive)

23
Q

Misc - Hepatitis C

A
  • 85% of infected patients have chronic hepatitis C
  • new antiviral drugs can “cure” (lower # of hep C virus) up to 95% of patients

Medical Microbiology (13 decks)

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