Anemia por deficiencia de hierro Flashcards

1
Q

Forma de transporte d oxigeno por el hierro

A

en Hb

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2
Q

donde se absorbe el hierro

A

epitelio intetsinal

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3
Q

proteina que regula transporte de hierro

A

transferrina

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4
Q

proteina que regula la reserva de hierro

A

ferritina

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5
Q

proteina que regula la utilizacion de hierro por las celulas

A

receptores de trasnferrina

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6
Q

consecuencias de alteracion de hierro

A
  1. anemia: disminucion de sientesis de Hb
  2. hemocromatosis: sobrecga de hierro
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7
Q

ferropenia

A

agotamiento de deposito de hierro

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8
Q

inflamacion cronica

A

bloqueo en depositos de hierro

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8
Q

talasemias

A

defectos de sisntesis de globinas

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8
Q

sideroacrasia

A

defectos en sintesis del grupo hemo

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9
Q

tipo de anemia de estos dxefectos

A

microcitica hipocromica

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10
Q

anemia prelantente

A

caracteriza por desapoaricion de reserva de hierro, sideroblastos disminuidos, sideremia normal, disminuye ferritina plasmatica

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11
Q

ferropenia latente

A

descenso de indice de saturacion de transferrina, sideremia y ferritin plasmatica disminuido, aumenta capacidad de saturacion de transferrina, aumento de % de microesperocitos con VCM menos a 60%

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12
Q

eritropoyesis ferropenica

A

descenso de Hb, microcitosis e hipocromi, disminucioon de sideremia ferritina e indice de saturacion de transferrina

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13
Q

tx principal

A

hierro dextrano (es ferroso)

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14
Q

estado en que se absorbe el hierro

A

ferroso

15
Q
A