Tracto gastrointestinal Flashcards

1
Q

Agente patogeno asociado a cancer gástrico y linfoma MALT

A

Helicobacter pylori

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2
Q

Factores de virulencia de H. Pylori

A

cag PAI y cagA (induce producción de IL-8)

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3
Q

Signos de gastritis fase cronica tras una complicación en la fase aguda

A

limitado a antro gástrico: acidez normal =
joven ; pangastritis: acidez afectada = mayores. Factor de riesgo de carcinoma

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4
Q

Métodos de diagnóstico de H. Pylori

A

Prueba de ureasa en aliento

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5
Q

Cepas de E. Coli que actúan a nivel de intestino delgado

A

Enterotoxigenica (ECET), enteropatogena (ECEP), enteroagregativa (ECEA)

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6
Q

Cepas de E. Coli que actúan a nivel de intestino grueso

A

Enteroinvasiva (ECEI), enterohemorragica (ECEH)

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7
Q

Cepas que pueden provocar diarrea sanguinolenta

A

Enterohemorragica, enteroagregativa (inicia como diarrea acuosa y puede llegar a este estadio)

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8
Q

Cepa que causa diarrea del viajero

A

Enterotoxigenica

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9
Q

Diferencias entre enteritis y diarrea infantil

A

Ambas producen diarrea acuosa, pero la enteritis es una diarrea inflamatoria y autolimitada

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10
Q

Signos y síntomas de cólera

A

Cuadro diarreico (acuosa “agua de arroz”) grave, deshidratación grave, hipocalcemia

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11
Q

Complicaciones de cólera

A

acidosis metabólica, choque hipovolémico, falla renal, muerte

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