11 Facts About Ultrasound

Ultrasound is sound waves with frequencies higher than the upper audible limit of human hearing.

Ultrasound is not different from "normal" sound in its physical properties, except that humans cannot hear it.

Ultrasound can provide additional information such as the depth of flaws in a welded joint.

Ultrasound has been used by radiologists and sonographers to image the human body for at least 50 years and has become a widely used diagnostic tool.

Ultrasound is used to visualize fetuses during routine and emergency prenatal care.

Ultrasound is increasingly being used in trauma and first aid cases, with emergency ultrasound becoming a staple of most EMT response teams.

Ultrasound is used to evaluate fat thickness, rib eye area, and intramuscular fat in living animals.

Ultrasound technology provides a means for cattle producers to obtain information that can be used to improve the breeding and husbandry of cattle.

Ultrasound has been used since the 1940s by physical and occupational therapists for treating connective tissue: ligaments, tendons, and fascia.

Ultrasound when applied in specific configurations can produce short bursts of light in an exotic phenomenon known as sonoluminescence.

Ultrasound remained in use until displaced by infrared systems starting in the late 1980s.