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Date of last update: 10/14/2017.
- Tue Sep 27, 2005 3:30 pm
Could you tell me? Is ultrasonic scanning dangerous for tomorrow child? I heard very different opinions by this way. And how (US) have an influence on baby's DNA?
- Tue Sep 27, 2005 4:07 pm
One of the most rapidly advancing areas of application is medicine. Ultrasound is used for imaging the human body and as a means of heating tissues to treat various ailments. It is also used to sterilize surgical instruments.
Generally, the higher frequencies are used for medical imaging. The lower frequencies, 1 MHz or less, have longer wavelengths and greater amplitude for a given input energy, thus producing greater disruption of the medium.
Among the many important advances in recent years have been higher resolution, real-time monitoring and color images.
Ultrasonic scanning has the big advantage over x-rays that there are apparently no adverse health effects. For this reason, it has come into widespread use for monitoring the condition of the fetus as it grows in the womb. The increasingly high precision of such monitoring has made it possible to detect defects even at the very early stages of pregnancy.
Ultrasonic scanning has also become extremely useful for obtaining information about the flow of blood through the heart and about the condition of the heart valves. Other important diagnostic applications are the detection of kidney stones, gallstones and tumors.
An example of medical treatment applications is brain surgery, for which a sharply focused, high intensity beam can destroy diseased tissue with high precision. Ultrasound has also been used in the therapeutic treatment of arthritis
, bursitis, contusions, lumbago and neuroma.
There is still considerable controversy about the mechanism of such therapy. However, there is little doubt that it can be effective. One theory is that the benefits arise from the heating and possibly a "micromassage" resulting from the ultrasound.
- Tue Sep 27, 2005 4:37 pm
Dear Lyn, would you agree on ultrasound if your wife will be pregnant?
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