Ultrasound is a type of scanning technique that uses high-frequency sound waves to produce images of structures inside the body. It is also known as sonography or medical sonography.
Ultrasound is recommended depending on the symptoms and for:
There is no specific condition when this scan should be avoided.
Most of the times, no special preparation is required and it depends on which area of your body needs to be examined.
Gallbladder Examination: Avoid eating and drinking for up to 6 hours before the test.
Pelvic Ultrasound: Drink lots of water and do not urinate before the scan is performed, which allows for the better visualisation of the uterus, ovaries or the prostate.