Multipath artifact

A multipath artefact is an ultrasound beam artefact in which the primary beam reflects off anatomy at an angle, resulting in a portion of the beam returning to the transducer, whilst another portion takes a longer duration as it reflects a second structure. This phenomenon results in a propagation path error in which the transducer will interpret a structured to be deeper than it is. 

Physics and imaging technology: ultrasound
Ultrasound - general index
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rID: 61362
Tag: cases, refs
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