Estafilocos aureo Flashcards

(16 cards)

1
Q

¿Que tipo de infeciones causa e n piel

A
  • Celulitis
    Impetigo
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2
Q

Caracterisitcas de la neumonia por S.aureos

A
  1. Infeccion clasicamente despues por virus de la gripe
    * Neumonitis necroti
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3
Q

Afeccion cardiaca

A

Endocarditis bacteriana aguda

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4
Q

Afeccion en hueso

A
  • Osteomielitis
  • Artritis septica
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5
Q

¿Cuales son las enfermedades mediadas por toxinas

A

TSS
Sindrome de piel escalda

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6
Q

¿Que tipos de S,aureos

A

Caogulasa +

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7
Q

¿Cuales son las enzimas?

A
  • Catalasa
  • Coagulasa
  • Hemolisina
  • Hialuronidasa
  • Lipasa
  • Penicilinasa
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8
Q

¿Que toxinas tiene?

A
  • TSST-1
  • Enterotoxinas
  • Exfoliatinas
  • Leucocidina de Panton-Valentine PVL
  • Toxina a-Hemolisina
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9
Q

¿Como se da el mecanismo de resitencia en MRSA

A

Adquisuscion del mecA que codifica
* PBP2

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10
Q

SARM confiere resitencia a

A
  • Penicilina
  • Cefalosporinas
  • Carbapenemcos
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11
Q

¿Que hace la PVL

A

Forma poros en neutrofilos→Necrosis o abscesos cutaneos profundos, neumonia necrosante

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12
Q

¿Que hace la entotoxina

A

Superantignoe
Causa intoxicacion alimentaia vomito <6 horas tras ingesta

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13
Q

Enzima que protege a la bacteria de la fagoitosis

A

Coagulasa
Fibironegeno en fibrina

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14
Q

¿Que es y Que hace TSS-1

A
  • Superantigeno
  • Activacion masivamente en linfocitos
    Causa Sock toxico
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15
Q

Toxin que causa sindrome de piel escaldada estafilcocica

A

Exfoliatina A y B

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