Ultrasound Flashcards
How does an Ultrasound scan to compare to that of an X-Ray?
An ultrasound is non-ionising and produces an accurate image with different tissue softness
How does an ultrasound scanner work?
Ultrasound waves are partially reflected when they meet different media
Time taken for the reflections to reach the detector is measured
Each boundary distance measured
Image formed
What are two medical applications of an ultrasound?
Prenatal scans: to track the baby’s growth and development.
The removal of kidney stones:
V. High frequency ultrasound waves are fired at the kidney stone, breaking it down so it can be passed through more easily.
Give an industrial application of ultrasound.
Cleaning jewellery
What is ultrasound?
Sound with a frequency of higher than 20kHz
