Ultrasound Flashcards
1
Q
Change in the transmitted ultrasound pulse direction at a boundary with nonperpendicular incidence
A
Refraction
2
Q
Hypointence signal area distal to an object or interface and is caused by objects with high attenuation
A
Shadowing
3
Q
Multiple e hoes generated between two closely spaced interfaces reflecting ultrasound energy back and forth during acquisition of the signalq
A
Reverberation artifact
4
Q
Rate of energy production, absorption or flow
A
Power
