Rickettsias Flashcards

1
Q

Son bacterias intracelulares obligados

A

Rickettsias

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2
Q

Aspecto morfológico de las ricketstsias

A

Cocobacilos pleomórficos

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3
Q

Células en las que se desarrollan las rickettsias

A

Células endoteliales

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4
Q

Enfermedad causada por rickettsias

A

Tifo

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5
Q

Rickettsia que provoca el tifo endémico en pulgas

A

Rickettsia typhi

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6
Q

Gravedad del endémico en pulgas

A

Leve

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7
Q

Rickettsia que provoca tifo epidémico de piojos

A

Rickettsia prowasseki

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8
Q

Porcentaje de mortalidad del tifo

A

30%

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9
Q

Qué pasa en las células endoteliales después de ser atacadas por rickettsias?

A

Vasculitis

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10
Q

Qué provoca la vasculitis?

A

Necrosis vascular

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11
Q

Qué provoca la necrosis vascular?

A

Trombosis

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12
Q

Que se da por la trombosis ?

A

Coagulación intravascular diseminada

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13
Q

Qué provoca la coagulación intravascular diseminada ?

A

Oclusión de vasos

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14
Q

Síntomas de infección por Rickettsia

A

Fiebre, cefalea, exantema cutáneo, hepatoesplenomegalia, postración y malestar

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15
Q

Medio por qué se diagnostica una infección por Rickettsia

A

Muestra de sangre o suero y PCR

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16
Q

Tratamiento para una infección por Rickettsia

A

Tetraciclina o cloranfenicol (3-5 días)