Ultrasound Flashcards
1
Q
what is ultrasound
A
cross sectional imaging; sound waves propagated through body and reflected at tissue interfaces
2
Q
how does ultrasound work?
A
a transducer sends out a sound and then the sound is reflected back and the reflection creates the image
3
Q
anechoic
A
fluid
4
Q
echogenic
A
tissue
5
Q
hyperechoic
A
calcium and air
6
Q
doppler effect
A
change in wavelength corresponds to rate of moving object