14.6. SHIGELLA Flashcards

1
Q

Qué produce

A
  • Shigelosis o disentería bacilar
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2
Q

Clasificación segunda el Ag somático O

A
  • Dysenteriae: tox shiga
  • Flexneri: vía de desarrollo
  • Boydii: se aísla poco
  • Sonnei: menos virulenta que dys, países industrializados
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3
Q

Qué es lo único que fermentan

A

Glucosa

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4
Q

Dosis inefectiva

A

Baja: 100-200

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5
Q

Transmisión (5)

A
  • Persona-persona
  • Alimentos contaminados con heces
  • Manos
  • Moscas
  • Fómites
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6
Q

Movilidad

A

Inmóviles

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7
Q

Huésped (2)

A
  • Hombre
  • Algunos primates
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8
Q

Localización

A

Colon: dan diarrea disentérica (observación leucocitos)

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9
Q

A quién afecta la shigelosis

A

Niños, 60% <10 años

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10
Q

Patogenicidad

A

= que E.Coli

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11
Q

Síntomas

A
  • Fiebre
  • Cefalea
  • Dolor abdominal
  • Diarreas disentéricas (con leucocitos)
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12
Q

Curación

A

1 semana

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13
Q

Consecuencias de colonización asintomática

A

Reservorio para nuevas infecciones

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14
Q

Tto

A

AB solo en casos graves: fluoroquinolonas y cefalosporinas de 3ª generación

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