Hepatitis Virales Flashcards

1
Q

clinica general de todas las hepatitis virales

A

malestar general, fiebre, ictericia y hepatomegalea

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2
Q

virus de la hepatitis de transmision fecal-oral

A

A y E

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3
Q

virus de la hepatitis de transmision parenteral-sexual

A

B, C y D

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4
Q

unico virus de la hepatitis que no es un virus RNA

A

B

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5
Q

primer marcador que se positiviza en la infeccion por VHB

A

el HBsAg

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6
Q

marcadores serologicos de actividad viral del VHB

A
  • ADN-VHB (el mejor marcador)

- HbsAg (el primero en elevarse)

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7
Q

marcadores serologicos de infeccion aguda de VHB

A
  • HBsAg

- IgM anti-HBc

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8
Q

marcadores serologicos de infeccion cronica de VHB

A
  • HBsAg

- IgG anti-HBc

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9
Q

marcadores serologicos de recuperacion de VHB

A
  • anti-HBs
  • IgG anti-HBc
  • HBsAg Negativo
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10
Q

porcentaje de VHB que se cronifican

A

<1% de las agudas y 10% de las subclinicas

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11
Q

virus de la hepatitis que no cronifican

A

A y E

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12
Q

metodos diagnostico serologico de los virus de la hepatitis en general

A
  • IgM; fase aguda
  • IgG: infeccion pasada o vacuna
    (excepto por VHE que no genera Ig y se diagnostica por PRC)
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13
Q

principal caracteristica del VHC

A

su tendencia a la cronicidad (80%) y de provocar cirrosis (20-35% de los pacientes cronicos)

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14
Q

principal caracteristica del VHD

A

Defectivo; requiere coinfeccion con VHB produciendo hepatitis fulminante, cronifica casi al 100%

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15
Q

farmaco de eleccion en las hepatitis virales

A

interferon alfa

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