How do Ultrasounds Work?

Ultrasounds work using sound waves that are produced by a machine called a transducer. The transducer will emit sound waves that will pass through the body and it will also detect returning echoes that are caused when the sound waves strikes an object. These returning echoes help identify the size and shape of those objects and the distance. An ultrasound contains a computer that analyzes these echoes and then transforms them into moving pictures of the organs or tissues being examined.