Ultrasound

Ultrasound

1. sound waves with a frequency greater than 20,000Hz

2. too high pitched for human hearing but many animals can hear ultrasound

3. used to scan the body

   • used to break down kidney stones and stones in body
     • used to measure speed of blood flow in body

4. name given to sound waves with very high frequencies

5. Amplitude- maximum distance particles move from normal position. Louder the sound, more energy it carries and bigger its amplitude

6. Wavelength- distance between one compression to the next

7. Frequency- number of waves produced in one second measured in Hz. a higher pitched sound has higher frequency than a lower pitched sound.