14/12/2021
ULTRASONOGRAPHY/ ULTRASOUND MACHINE.
An ultrasound scan uses high-frequency sound waves to create images of the inside of the body. It is suitable for use during pregnancy.
Ultrasound scans, or sonography, are safe because they use sound waves or echoes to make an image, instead of radiation.
Ultrasound scans are used to evaluate fetal development, and they can detect problems in the liver, heart, kidney, or abdomen. They may also assist in performing certain types of biopsy.
The person who performs an ultrasound scan is called a sonographer, but the images are interpreted by radiologists, cardiologists, or other specialists.
The sonographer usually holds a transducer, a hand-held device, like a wand, which is placed on the patient’s skin.
Ultrasound is sound that travels through soft tissue and fluids, but it bounces back, or echoes, off denser surfaces. This is how it creates an image.
The term “ultrasound” refers to sound with a frequency that humans cannot hear.
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