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Microbiología > Legionella > Flashcards

Legionella Flashcards

1
Q

Cómo son?

A
  • Bacilo gram negativo
  • Delgados
  • Pleomórficos
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2
Q

Aerobios o anaerobios

A
  • Aerobios obligados
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3
Q

Qué necesitan para crecer?

A

Hierro (si no, pierden virulencia)

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4
Q

Cómo se transmite?

A

Por inhalación

NO DE PERSONA EN PERSONA

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5
Q

Patogenicidad

A
  • Se multiplican en amebas (ambiente) y en macrófagos alveolares, monocitos y epitelio alveolar
  • Bacterias intracelulares
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6
Q

Dónde se sobreviven?

A

En ambientes húmedos, temperaturas altas y cloro

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7
Q

Enfermedades

A
  • Fiebre de Pontiac
  • Enfermedad de los legionarios
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8
Q

Fiebre de Pontiac

A
  • Pseudogripal: Hipersensibilidad a endotoxina
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9
Q

Enfermedad de los legionarios

A
  • Neumonía grave
  • Afectación multiorgánica
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10
Q

Diagnóstico

A
  • Cultivos (Agar BCYE)
  • Inmunoanálisis (antígenos)
  • Lipopolisacáridos en orina (no común)
  • PCR
  • Inmunofluorescencia
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11
Q

Tratamiento

A
  • Antibióticos atípicos
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Microbiología (123 decks)

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