![]() ![]() The higher frequency waves are able to provide a clearer image but are not able to penetrate as deeply into the skin and other tissues. Ultrasound produces waves far above this range at between two million and 18 million hertz. The typical human hearing range is most sensitive from around 2,000 to 5,000 hertz and can technically extend from 20 to 20,000 hertz. The word “ultrasound” refers to the sound waves being at such a high frequency that humans are unable to hear them. The use of gel helps to eliminate empty space and improve the quality of the images created by the scan. The transducer creates sound waves, which are unable to travel well through air. Ultrasound gel is also used as it helps to create a link between the transducer and the skin. The transducer is placed directly on the patient’s skin. The sonographer uses a transducer, which is a hand-held device that can come in a variety of shapes and sizes. An ultrasound is performed by a sonographer, who is specially trained to obtain the images so that they can be read by radiologists, cardiologists, or other specialists depending on the reason for the test. Ultrasounds are widely used in medicine and are very safe, non-invasive procedures. In many cases, Medicare benefits will cover the costs of these imaging tests as long as they are deemed medically necessary by their physician. This can help doctors assess the source of pain, find areas of swelling, locate infections and tumors, examine internal organs, evaluate fetal growth in a mother, visualize blood flow directionality and speed, and much more. These scans utilize high-frequency sound waves that create images and be interpreted so that providers can visualize the internal structures in the body. An ultrasound is a commonly used medical imaging procedure that can help to evaluate various parts of the body. ![]()
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