All Digital Ultrasound: An Ultrasharp Cancer Sleuth

Ultrasound images, even on high-end machines, are sometimes fuzzy and imprecise. The trouble is that about half the sound spectrum gets lost in the device commonly used to receive and process the sound waves. On Apr. 16, Advanced Technology Laboratories Inc. in Bothell, Wash., introduced a new generation of all-digital ultrasound that promises to overcome this disadvantage.

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