anemia ferropenica y megaloblsstica Flashcards

1
Q

dónde se encuentra el hierro ?

A

medula ósea
hígado: ferritina
plasma: transferrina
músculo: mioglobina

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2
Q

cuánto se consumó?

A

30mg diarios

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3
Q

cuánto se recambia?

A

25mg

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4
Q

cuando se pierde ?

A

1-2mg

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5
Q

etapas ?

A

primera: no depósito
segunda: cae transporte por proteínas
tercero: cae la producción de transferrina y no hb

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6
Q

causas de ferropenia

A

embarazo
hemorragia: genitourinarias y gastrointestinales
ingesta deficiente
post gastrectomia
parásitos (dígalos )

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7
Q

manifestaciones clínicas:

A

triada: glositis, disfagia y estomatitis angular

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8
Q

panaclinicos de anemia ferropenica

A

hipocromia
microcitica
poiquilocitos
anisocitosis
hierro serico menos de 30
saturación de transferrina: menos de 15
ferritina serica: menos de 12

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9
Q

megaloblstica por b12

A

deficiencia de ingesta
deficiencia de absorción
trastornos intestinales

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10
Q

megaloblstica folato

A

deficiencia de absorción
deficiencia de ingesta
aumento de requerimiento
excreción de folato

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