Semiología Flashcards

1
Q

¿Cuántas densidades básicas hay en Rayos X?

A

5

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2
Q

Orden de densidades de mayor a menor

A

Metal, hueso, tejido blando, grasa, aire.

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3
Q

Para casi todas las estructuras pedimos dos proyecciones de RX, ¿cuáles son?

A

AP y lateral

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4
Q

Densidades básicas de la TC (tabla de Hounsfield)

A
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5
Q

Hiper denso =

A

Blanco

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6
Q

Hipo denso =

A

Negro

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7
Q

Iso denso =

A

mismo color

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8
Q

¿En qué método de imagen se usan los términos hiper / hipo denso=

A

TC

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9
Q

Plano para ver tomografías

A

Axial, situados en los pies del paciente

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10
Q

Ventana estándar =

A

mediastinal

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11
Q

Ecogenicidad el US (ultrasonido)

A

Hiper (muy blanco), hipo (obscuro, menos blanco), anecoico (negro), ecoico (blanco)

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12
Q

Hiperecoico =

A

sólido, rígido

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13
Q

Hipoecoico =

A

sólido, blando

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14
Q

anecoico =

A

líquido

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15
Q

“Cola de cometa” / Imagen sucia -> son causados por

A

Gas

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16
Q

En US la imagen depende de:

A

La orientación del transductor

17
Q

Intensidades de señal en RM

A

Hiperintenso, hipointenso, isointenso

18
Q

Hiperintenso / alta señal =

A

blanco

19
Q

Hipointenso / baja señal =

A

negro

20
Q

Planos en RM

A

Axial, coronal, sagital, oblicuo