Clase 15 Shigella Flashcards

(11 cards)

1
Q

Forma, y enzima

A

Bacilo gram negativo
Lactosa negativo: no fermenta la lactosa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Diferencia con E.coli

A

Son inmoviles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Transmision

A

Fecal oral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

4 especies de interes

A

S. dysenteriae
S. flexneri
S. boydii
S. sonnei

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Mas peligrosa de las especies

A

S. dysenteriae, produce toxina SHIGA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Unico reservorio de Shigella

A

Ser humano

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Necesita alta o baja dosis infectante

A

Baja dosis infectante

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Sintomas

A

Diarres con deposiciones sanguinolentas: Shigella dysenteriae tipo 1
Mucus o pus en las heces
Tenesmo

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Factores de virulencia

A

Toxina Shiga: S. dysenteriae Tipo 1
Enterotoxinas: alteran el transporte de agua y electrolitos

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Unas cepas de S. flexneri pueden causar

A

Sindrome de Reiter, una artropatia reactiva

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Sintomas que puede producir Shigella dysenteriae

A

Megacolon toxico
Encefalopatia toxica
SHU
Shock septico

How well did you know this?
1
Not at all
2
3
4
5
Perfectly