Ehrlichia Flashcards

1
Q

Morfología Ehrlichia spp

A

Cocos pleomorfos
- Pueden ser cocobacilos

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2
Q

V/F: ehrlichia son intracelulares

A

verdadero, son intracelulares obligados

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3
Q

ehrlichia se esconde en:

A

celulas progenitoras hematopoyeticas (MO)
- también en neutrofilos y macrofagos

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4
Q

que implica que sean intracelulares obligados?

A

se replican dentro de los fagosomas impidiendo la unión con los lisosomas

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5
Q

Tinción Ehrlichia spp

A

Tinción de Giemsa o Wright

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6
Q

personas con más riesgo de infectarse con ehrlichia

A

personas que practican cacería

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7
Q

Ehrlichia spp no produce:

A

Peptidoglucanos
LPS

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8
Q

Transmisión Ehrlichia spp

A

zoonosis por vector (venados, garrapata)

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9
Q

enfermedad de Ehrlichia spp:

A

Erliquiosis

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9
Q

síntomas de erliquiosis

Ehrlichia spp

A

cuadro pseudogripal (fiebre, cefalea, mialgias, ataque al estado general)
exantema
leucopenia y plaquetopenia

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9
Q

Diagnóstico Ehrlichia spp

A

Serológico = falsos positivos con otras garrapatas
No gram, no cultivos
Tinción Giemsa en sangre periférica

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10
Q

tratamiento contra ehrlichia

A

doxiciclina

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