Física del Ultrasonido Flashcards

1
Q

Ventajas del ultrasonido

A

Más sencillo
No invasivo
Accesible
No radiación

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2
Q

Desventajas del ECO

A

Operador dependiente

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3
Q

Que tipos de ondas se usa

A

Ondas mecánicas (>longitudinales)

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4
Q

V o F

El sonido supera la frecuencia de ondas

A

F

La frecuencia de ondas supera el sonido

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5
Q

Que se origina en el transductor

A

Energía

Tiene cristales piezoeléctricos

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6
Q

Tipos de transductores

A

Sectoriales
Anulares
Radiales
Lineales

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7
Q

V o F la vel de transmisión varía dependiendo del material

A

V

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8
Q

Factores de Vel

A

Densidad

Comprensibilidad

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9
Q

Movimiento de ondas en grasa

A

Lento

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10
Q

Movimiento de ondas en aire

A

No posible valoración

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11
Q

Movimiento de ondas en sonido

A

Interfase

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12
Q

Escala de color

A

Grises

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13
Q

Doppler que expone

A

Flujos lentos

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14
Q

Hipereoico ECO

A

Brillantes (blanco-gris claro)

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15
Q

Hipoeoico

A

Gris (oscuro - negro)

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16
Q

Anecoico

A

Sin eco