Parvovirus/B19/ Quinta enfermedad Flashcards

1
Q

Genoma

A

ADN monocatenario lineal + o -, capside eicosaedrica desnudo

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2
Q

Células diana

A

MO y eritrocitos

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3
Q

Tipo de mitosis en que se encuentran las células que son infectadas

A

Mitosis activa

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4
Q

Proteína de adhesión vírica

A

VP1

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5
Q

Receptor

A

Antígeno P

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6
Q

Exantema inicia en

A

Mejillas

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7
Q

Dx.

A

IgM

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8
Q

Se libera mediante:

A

Lisis celular

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9
Q

Células que infecta:

A

Eritrocitos/ reticulocitos

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10
Q

Transmisión

A

Gotitas respiratorias, secreciones, vía parental (madre 0-)

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11
Q

Clínica

A

Fiebre bifásica:
- fase febril o infecciosa: disminuyen eritrocitos, sx gripales, faringitis
- fase sintomática: inmunocomplejos: exantema + atralgias

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12
Q

Exantema en niños se extiende

A

Extremidades

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13
Q

Exantema respeta

A

Plantas y palmas

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14
Q

Complicaciones en px con anemia

A

Crisis aplásica

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