A sound pressure that has a frequency higher than the normal sound for a human is called ultrasound. It is inaudible for most people, as the name implies. These days ultrasound sales increase because of its beneficial effects for the majority of people.
Most of the time, it is used in monitoring a fetus’ development in the mother’s womb. This will help the doctor know major defects or abnormalities of the child. It can also be used in detecting possible inconsistencies in the internal parts of the body, abdomen, and pelvis.
Many may wonder how those images are created. It is done when the hand held instrument emits and receives a sound wave with higher frequency, while recording the echoes produced. These echoes develop the image.
It is actually based on the sonar principle used by ships, bats, and weather stations. When the high-frequency sound wave strikes an object, and produces an echo. These echo waves are measured to determine the distance, size, and shape of the object.
The scanning process is not surgical. Yet, there are times when the doctor prescribes to have a special probe inserted in the vagina, rectum, or esophagus. The procedures depend on your symptoms. Also, it depends in which part of the body is being examined.
The scanners are now easily available in the market. They are also very user-friendly. Another thing is that they do not cause any biological damage since they do not emit harmful radiations like gamma rays. The images provided are also real-time and clear, unlike in most scans.
These benefits are the reasons of a rocketing Ultrasound sales. Even if these machines are easy to use, it is still important to seek a professional for an examination. The procedures must be done in a manner appropriate for the purpose.
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