What Is Ultrasound?

Ultrasound is a sound pressure with a frequency higher than the limitation of human hearing. This limit differs from person to individual, it is around 20 kilohertz in young adults. 20 kHz is a helpful lower limitation in explaining ultrasound. The making of ultrasound is utilized in numerous various fields, a property also used by animals such as bats for searching. The most well understood application of ultrasound is its use in sonography to produce images of fetus in the lady's womb. Ultrasound is also used for more also.

It is a truth that children can hear some high-pitched sounds that older adults can not hear, since in humans the greatest limit pitch of hearing tends to end up being lower with age. A cellphone business has actually utilized this to develop ring signals supposedly only able to be heard by more youthful people; however lots of older people are able to hear it, this is probably due to the variation of age-related wear and tear in the upper hearing.

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Some animals e. g.. dogs, cats, dolphins, bats, and mice — have an upper frequency limit that is greater than the human ear and can hear ultrasound.

This is how a dog whistle works. Ultrasound imaging or sonography, involves exposing part of the body to high-frequency sound waves to produce pictures of the inside of the body. ultrasound images are captured in real-time, they can show the structure and movement of the body's internal organs, as well as blood flowing through blood vessels. Ultrasound imaging helps physicians diagnose and treat medical conditions.

Ultrasound is a useful way of examining many of the body's internal organs This Picture is using Sonography to look at the kidneys.