Diagnóstico Prenatal Flashcards

1
Q

Factores de riesgo (4)

A

> 35 años
Embarazo previo con alteración cromosómica
AHF de alteración cromosómica de padres
Feto anormal por USG

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2
Q

Métodos no invasivos (4)

A

DNA fetal libre
Doble marcador combinado
Cuadruple marcador
USG

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3
Q

DNA fetal libre (3)

A

Determina sexo fetal
Sangre periférica
3er trimestre

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4
Q

Doble marcador combinado (2)

A

SDG 11-13

Proteína A y GCH beta

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5
Q

Cuadruple marcador (4)

A
SDG 14-21 
Alfa proteína
Estriol no conjugado
Inhibina A 
GCH beta
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6
Q

USG (3)

A

SDG 14-24
Translucencia nucal >95
Ausencia de hueso nasal
Flujo del ductus venoso

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7
Q

Métodos invasivos (5)

A
Amniocentesis 
Biopsia de vellosidades coriónicas 
Cordocentesis 
Líquido amniótico 
Sangre fetal
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8
Q

Amniocentesis precoz y tardía

A

Precoz <11 SDG

Tardía >20 SDG

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9
Q

Biopsia de vellosidades coriónicas

A

SDG 10-14

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10
Q

Triple marcador

A

Defecto de tubo neural
Sx de Down
Trisomía 18

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11
Q

Marcadores de defecto de tubo neural

A

AFP elevada

GCH y estriol normal

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12
Q

Marcadores de Sx de Down

A

AFP y estriol baja

GCH alta

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13
Q

Trisomía 18

A

Las tres bajas

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