Abstract
The application of ultrasonic technology in medicine has taken place in the last fifteen years and was made possible by far sighted and determined individuals who initially made use of industrial flaw detection equipment. In the last decade medical ultrasonics has developed into a multi-million pound business and has become an important aid to diagnosis and patient management.
In this article we describe the use of ultrasonics as a method of investigating the internal structures of the body for diagnostic purposes. Other applications of ultrasonics in medicine include humidifiers and the use of instruments based on the Doppler principle for measuring the velocity of blood flowing in vessels.
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