Radiología obstétrica: Ecografía del embarazo normal Flashcards

1
Q

Fechas de los trimestres

A
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2
Q

USG confirmatorios de embarazo:

A

USG ENDOVAGINAL
* A partir de semana 4

USG ABDOMINAL
* Después de la semana 5, idealmente semana 8

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3
Q

Hallazgos en USG normales por semana 4-9

A
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4
Q

ULTRASONIDO DE TAMIZAJE DEL PRIMER TRIMESTRE

A

11-14 (estructural 1º trimestre)

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5
Q

Objetivo 11-14

A
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6
Q

Marcadores cromosómicos 11-14

A

Traslucencia nucal anormal >3mm
Hueso nasal

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7
Q

Síndrome más incidente y síndrome más prevalente

A

Incidente: Edwards T18
Prevalente: Down T21

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8
Q

Trisomia que causa holoprocencefalia

A

Síndrome de Patau T13

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9
Q

ULTRASONIDO MORFOLÒGICO / ESTRUCTURAL DEL SEGUNDO TRIMESTRE

A

18-24

Semana 22 ideal

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10
Q

Objetivo 18-24

A
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11
Q

Determinación del sexo del bebé

A

> 18s (21-22 óptimo)

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12
Q

DETERMINACIÒN DE LA EDAD GESTACIONAL 2o TRIMESTRE

A
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13
Q

FR de embarazo de alto riesgo

A

-15 y +35
Preclampsia
Eclampsia

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14
Q

ULTRASONIDO DE TERCER TRIMESTRE

A

32-34
Líquido amniótico
Pocisión fetal
Planeación de embarazo
Plancenta, cordón umbilical

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15
Q

Evaluación de la placenta

A
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16
Q

Evaluación líquido amniótico

A
17
Q

Métodos para medir líquido amniótico

A

Chamberlain: 1 ventana. Antes de semana 20. 1 ventana. 2 a 8
Phallen: Más de 20 semanas. 5 a 25