Hepatitis Flashcards

1
Q

Incubacion de hepatitis A

A

28 dias ( 15 a 50 )

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2
Q

Mortalidad de hepatitis fulminante en hepatitis A

A

80%

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3
Q

DX hepatitis A

A

ELISA / RADIOINMUNOANALISIS

IG M ANTI VHA

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4
Q

FAMILIA DE HEPATITIS A

A

PICORANVIRUS

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5
Q

FAMILIA HEPATITIS B

A

HEPADNAVIRUS

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6
Q

TIPO DE VIRUS HEPATITIS A

A

ARN

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7
Q

TIPO DE VIRUS HEPATITIS B

A

ADN BICATENARIO CIRCULAR

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8
Q

EPIDEMIOLOGIA HEPATITIS B

A
  • Transmisión → transfusión, sexual o perinatal
    • Vertical → 90% de embarazos con madres HBeAg positivo y 10% con HBsAg positivo
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9
Q

INCUBACION HEPATITIS B

A

60 A 180 DIAS

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10
Q

% DE INFECCION CRONICA

A

5 A 10

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11
Q

% DE AUMENTO DE RIESGO D CARCINOMA HEPATOCELULAR

A

80%
GENOTIPO C. COINFECCION HEPATITIS C

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12
Q

MARCADOR SERICO HEPATITIS B

A
  • HBsAg → antes de los síntomas, indica enfermedad activa y persiste >6 meses con VHB crónica
  • HBeAg → indicador de transmisión y replicación viral
  • anti-HBs → desaparición de la enfermedad aguda e inmunidad; se eleva en vacunación
  • anti-HBc IgM → primer anticuerpo en aparecer, indica enfermedad aguda
  • anti-HBc IgG → infección previa o crónica
  • anti-HBe → disminución de transmisión y replicación
  • ADN → replicación activa
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13
Q

AUXILIARES HEPATITIS B

A

Elevación de transaminasas, tiempo de coagulación alargados + disminución de albúmina sérica

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14
Q

PREVENCION HEPATITIS B

A

ESCRUTINIO DE SANGRE DORADA

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15
Q

TX HEPATITIS B

A
  • DISMINUIR REPLICACION DE VIRUS.

AGUDA- SOPORTE

CRONICA- LAMIVUDINA E INTERFEROS ( ALFA 2A 2B)

SI NO TOLERA INTERFERON = DAREMOS LAMIVUDINA

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16
Q

FAMILIA Y TIPO DE VIRUS HEPATITIS C

A

FLAVIVIRIDAE

ARN

17
Q

INCUBACION DE HEPATITIS C

A

15 A 150 DIAS

18
Q

% DE CRONIFICA HEPATITIS C

19
Q

TIPO MAS FRECUENTE DE HEPATITIS C EN MEXICO

20
Q

DX HEPATITIS C

A

PCR = ARN

ANTI VHC = ELISA

21
Q

TX HEPATITIS C

A
  • Interferón pegilado + ribavirina
  • Genotipo 1 y 4 → por 1 año
  • Genotipo 2, 3 y 6 → por 6 meses
22
Q

FAMILIA HEPATITIS D

A

DELTAVIRUS

23
Q

TIPO DE VIRUS HEPATITIS D

A

ARN MONOCATENARIO

24
Q

INCUBACION HEPATITIS D

A

1 A 4 MESE

25
DX HEPATITIS D
ARN VIRICO ELISA RADIOINMUNOANALSIS DEL ANTIGENO DELTA
26