14.7. YERSINIA Flashcards

1
Q

Especies patológicas y qué producen

A
  • Enterocolítica y pseudotuberculosis: enteritis y sepsis post-transfusional
  • Y. pestis: peste, alta mortalidad
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2
Q

Reservorio

A

Animales: infecciones zoonóticas

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3
Q

Dosis inefectivas

A

Altas: 10^9

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4
Q

Enterocolítica: biotipos y serotipos

A
  • 1, 2, 4
  • O4 y O9
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5
Q

Pseudotuberculosis: serotipos y subtipos

A
  • Serotipos 1-6
  • Subtipos O1
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6
Q

Enterocolítica: reservorio y transmisión

A
  • Cerdos, roedores, conejos
  • Consumo carne cerdo poco cocinada
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7
Q

Pseudotuberculosis: reservorio

A
  • Roedores y animales de caza
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8
Q

Movilidad

A

Móviles

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9
Q

Estructura

A

Capsulados

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10
Q

Tª óptima y a cuánto crecen

A
  • 28ºC
  • 4-37ºC
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11
Q

Enterocolítica y pseudotuberculosis: patogenia, curación y edad

A
  • Unen a ID, invaden placas de Peyes y gl mesentéricos
  • Cuadro de diarrea acuosa: dolor abdominal, fiebre
  • Desaparece a 5-10 días
  • Afecta a niños
  • Tb adenitis mesentérica y pseudoapendicitis
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12
Q

Pestis: tipos (2)

A
  • Urbana: ratas principal reservorio
  • Selvática: rato’es de campo, ardillas y conejos
  • Importante la propagación por pulgas
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13
Q

Tipos de peste (3)

A
  • Bubónica
  • Neumónica
  • Septicémica
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14
Q

Peste bubónica: qué ocurre, tiempo de aparición sx y mortalidad

A
  • Escara
  • Inflamación de los ganglios axilares e ingles
  • Sx aparecen a 7 días
  • Mortalidad 70%
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15
Q

Peste neumónica: PI, cuadro, transmisión y mortalidad

A
  • 2-3 días
  • Neumonía inmediata
  • Aérea
  • 90%
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16
Q

Peste septicémica: qué produce (3)

A
  • Trombosis
  • CID
  • Necrosis distal