What is ultrasound scan?

Ultrasound 1An ultrasound scan is a very common test, it is painless and uses sound waves to create images of organs and structures inside our body.

The images are produced when the sound waves are directed into the body then reflected back to a scanner that measures them and convert to images.

Specific body structure will reflect different sound waves which will be picked up by the scanner. Since sound waves are measured in frequency, different kind of scanner will be used for the various part of the body due to the difference in the structure.
Moreover, these sound waves can even assess moving structures, like blood moving through a vessel.