Overview of Ultrasound: The Physiological Effects of Sound

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I've also created some videos for you here to help illustrate how ultrasound is converted within biological tissue

 

Now, these videos pull it all together in an example of treating a soft tissue injury with continuous ultrasound and pulsed ultrasound

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Review of Non-Thermal Effects

Non-thermal effects are produced when the duty cycle is 20% (1:5) and may be included in the plan of care to support tissue repair. Some thermal effects are produced while ultrasound is pulsed (e.g., 50%), however, these effects result in minimal tissue heating.