Método de tiempo de flujo de tránsito

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¿Para qué se utiliza?

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1

¿Para qué se utiliza?

Se utiliza para evaluar medir el flujo volumétrico en los vasos sanguíneos. Para colgajos/injertos, cirugías de bypass

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2

¿Qué transductores utiliza?

Utiliza dos transductores piezoeléctricos

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3

A mayor frecuencia...

menor profundidad

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4

A menor frecuencia...

Mayor profundidad

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5

¿Cuál es el principio físico?

Funcionamiento de las ondas del sonido a través de un medio líquido.

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6

¿Cómo funcionan las ondas?

Las ondas de sonido viajan más rápido con la dirección del flujo y más lentra contra.

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7

¿En qué consiste?

Medición de dos tiempos para obtener la diferencia entre estos dos tiempos del transductor 1 al transductor 2.

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8

Datos obtenidos

Flujo sanguíneo de dos medidas de tiempo

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9

Ventajas

Rápido Menos artefactos Flujo independiente del tamaño del vaso Alta precisión y exactitud Tiempo real

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10

Desventajas

Invasivo Curva de aprendizaje Alto costo Artefactos Arterias, no venas

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