Basic Sonographic Terminology Flashcards

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29 cards   |   Total Attempts: 182
  

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Acoustics
The science of sound, including its production, propagation and effects
Acoustic enhancement
An area of increased echo intensity distal to a fluid filled area
Acoustic wave
A mechanical disturbance which propagates through a continuous medium
Acoustic window
Any medium or structure that transmits sound well
Anechoic
No internal echoes
Artifact
Part of an ultrasound image that does not accurately represent the underlying anatomy
Attenuation
Progressive weakening of the sound beam as it travels through body tissue
Color flow imaging
Ability to display bood flow in multipe colors depending on the velocity, direction of flow and extent of tubulence
Complex
A structure that has both fluid filled and solid components
Doppler
Concern s the behavior of high frequency sound waves as they are reflected off moving fluid, usually blood. a waveform image is produced
Duplex imaging
The simultaneous display of a gray scale image and the Doppler waveform
Echo
A recorded acoustic signal
Echogenic
A region containing a high amount of echoes
Frequency
Number of cycles per second
Heterogeneous
Does not have a uniform texture