Shigella s.p. Flashcards

(11 cards)

1
Q

Microbiología de Shigella s.p.

A

Bacilo -, anaerobio facultativo

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2
Q

Que especies de Shigella se parecen a E. coli y a cual

A

S. dysenteriae: Enterohemorrágica
S. sonnei, S. flexneri, y S. boydii: Enteroinvasivas

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3
Q

Cual es la única especie de Shigella que produce toxina

A

Shigella dysenteriae, produciendo toxina Shiga

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4
Q

Cuántas bacterias se requieren para causar la enfermedad

A

10 - 100 bacterias

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5
Q

Por qué Shigella es de las más agresivas

A

Por ocupar poco inóculo

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6
Q

Cuadro clínico de Shigella no dysenteriae (Shigelosis)

A

Diarrea acuosa, tenesmo, fiebre, disentería

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7
Q

Cuadro clínico de Shigella dysenteriae

A

Diarrea sanguinolenta líquida, tenesmo

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8
Q

Qué toxina produce Shigella dysenteriae y que puede causar

A

Toxina Shiga causando Sx Uremico Hemolítico acompañada de falla renal

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9
Q

En quienes se presenta Shigella

A

En pediátricos

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10
Q

Diagnóstico de Shigella

A

Presencia de Shigella en heces
PCR multiplex

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11
Q

Tratamiento de Shigella

A

Reponer electrolitos inicialmente
Ciprofloxacina (adultos) y TMP-STX (niños)

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