ANEMIAS POR DEFECTOS ENZIMÁTICOS Y DE MEMBRANA Flashcards

1
Q

ventajas de que el eritrocito sea anucleado

A

ayuda a que el corazón bombee mejor la sangre, aumenta membrana y lo hace más flexible

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2
Q

causa más común de AHI

A

esferocitosis

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3
Q

cuáles son las proteinas verticales

A

banda 3 y ankirina

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4
Q

son las proteinas horizontales

A

espectrina y actina

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5
Q

la membra del citoplasma está unida a

A

banda 3

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6
Q

tratamiento de esferocitosis

A

esplenectomía o en casos leves ácido fólico

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7
Q

síntomas de esferocitosis

A

anemia, ictericia acolúrica, litiasis

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8
Q

dx de eliptocitosis

A

eliptocitos >15%

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9
Q

etiología de eliptocitosis

A

mutaciones en el gen de espectrina y proteína 4.1

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10
Q

manifestaciones clínicas de eliptocitosis

A

esferocitos y eliptocitos y GR con arremangamiento

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11
Q

hemoglobinuria paroxística nocturna es secundaria a

A

pérdida de proteínas y a mutaciones en el gen PIG-A

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12
Q

cuadro clínico de hemoglobinuria paroxística nocturna

A

orinar negro, aplasia, trombos no comunes, anemia hemolítica compensada, espasmo muscular y disfunción erectil, dolor abdominal

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