An ultrasound scan is a medical test that uses high frequency sound waves to create images of, inside the body. They are also referred to as sonography or ultrasonography. This test is used to view the heart, kidney, blood vessels, liver or other organs. Since sound waves are used instead of radiation, so ultrasound is completely safe and is used to view the fetus of pregnant women. This refers to as obstetric sonography.
Health care professionals such as ultrasound technicians or sonographers are given special training to perform these tests. During an ultrasound test, you lie on a table. Then the technician applies a special jelly to the skin and moves a device called transducer over the part of the affected body. The transducer sends out sound waves, which bounce off the tissue inside the body. The transducer captures the waves that bounce back. The ultrasound machine creates images from the sound waves. Then a radiologist or a doctor interprets these tests.
This can also be termed as therapeutic ultrasound as they are sometimes used to detect and treat soft tissue injuries. This includes HIFU, lithotripsy, ultrasound homeostasis, cancer therapy etc. Ultrasound helps in the speeding the healing process by speeding up the blood flow in the treated area. Secondly by reducing pain of swelling and edema. The third is the gentle massage of muscle tendons or ligaments .These benefits are achieved from thermal and non-thermal therapeutic ultrasound.
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