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