Entamoeba histolytica Flashcards

1
Q

Otro nombre que recibe la infección por entameba

A

Amebiasis o meningoencefalitis amebiana secundaria

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2
Q

Los trofozoitos producen quistes que

A

Se eliminan en las heces

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3
Q

La forma intestinal causa

A

Necrosis tisular colon
Úlceras en mucosa intestinal (diarrea)

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4
Q

Forma no infecciosa de la enfermedad

A

Trofozoito en lumen intestinal → eliminación por heces

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5
Q

La enquistación ocurre en

A

Intestino grueso

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6
Q

Sustancia que libera al quiste

A

Ácido gástrico

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7
Q

Fase infecciosa

A

Quiste

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8
Q

Fase inactiva

A

Quiste

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9
Q

Fase activa

A

Trofozoito

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10
Q

Mecanismo de transmisión

A

Ingestión de quistes maduros (fecal-oral)

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11
Q

¿Cómo llegamos a ingerir los quistes de entameba?

A
  1. Prácticas sexuales anales-orales (ETS)
  2. Moscas y cucarachas (vectores)

Quistes en patitas

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12
Q

entameba

La entamoeba histolytica causa diarreas

A

Sanguinolientas

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13
Q

Entameba

Formas de la amebiasis extraintestinal

A
  • Ab. hepáticos
  • Ab. cerebrales
  • Ab. pulmonares
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14
Q

Métodos de diagnóstico de entameba

A
  • Quistes en heces
  • Trofozoitos en tejidos (biopsias y aspirados con agujas)

Distinguir de amebas comensales

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15
Q

A diferencias de strep. aureus y candida

A
  • S. aureus y candida pasan antes por sangre
  • Entamoeba nada más atraviesa la pared inestinal (más directo)
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