An X-ray is a quick and painless procedure commonly used to produce images of the inside of the body.
It's a very effective way of looking at the bones and can be used to help detect a range of conditions.
For more information, visit: NHS - X-Ray
An ultrasound scan, sometimes called a sonogram, is a procedure that uses high-frequency sound waves to create an image of part of the inside of the body.
An ultrasound scan can be used to monitor an unborn baby, diagnose a condition, or guide a surgeon during certain procedures.
For more information, visit: NHS - Ultrasound