Staphylococcus Aureus (tejidos) Flashcards

1
Q

Tipo de infecciones que da

A

En tejidos superficiales y profundos

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2
Q

Características (4)

A

Forma en racimos de uvas
Gram +
Aeróbio facultativo
Coagulasa +

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3
Q

Factores de virulencia

A

Toxina exfoliativa
Toxina 1 síndrome de choque tóxico TSST-1
Enterotoxina A
Hemolisisnas = alfa y beta
Coagulasa
Catalasa
Beta lactamasa

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4
Q

Toxina exfoliativa provoca

A

Sx de piel escaldada

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5
Q

Factor de virulencia que es un súper antígeno

A

Toxina 1 Sx de choque tóxico TSST1

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6
Q

Enterotoxina A

A

Intoxicación alimentaria

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7
Q

Tipos de hemolisinas

A

Alfa y beta

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8
Q

Toxina alfa

A

Hemolisina: causa necrosis

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9
Q

Toxina beta

A

Esfingomielinasa

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10
Q

Factor de virulencia que causa necrosis

A

Toxina alfa Hemolisina

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11
Q

Factor de virulencia que destruye eritrocitos

A

Esfingomielinasa

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12
Q

Factor de virulencia que transforma fibrinogeno a fibrina

A

Coagulasa

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13
Q

Factor de virulencia que es para diferenciar de estreptococos

A

Catalasa

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14
Q

Factor de virulencia para diferenciar de otros estafilococos

A

Coagulasa

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15
Q

Fx beta lactamasa

A

Destruye el anillo b lactamico penicilinas

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16
Q

Epidemiologia

A

Microbiota normal de la piel

17
Q

Enfermedad causada por toxina exfoliativa

A

Sx de Ritter

18
Q

Características de Sx de piel escaldad

A

La piel se desprende
Ampollas y vesículas que no deja cicatriz

19
Q

Signo específico de piel escaldad

A

NIKOLVSKY + piel se desprende a presión