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B. A New Generation Looks at the New Generation

Narrator: This is Science Today. Roy Filly, a radiologist at the University of California, San Francisco, is working with a new generation of ultrasound, or sonograph, machines. Sonography can see the soft tissue that x-rays can't, and the new machines work at a higher resolution than the old ones.

Filly: Sort of the bottom line of it is that the images are now clearer. Which means that the doctor interpreting your particular sonogram gets to do it from a more advanced perspective and with better information.

Narrator: Filly says ultrasound is particularly useful with newborns -- especially babies born prematurely.

Filly: They cannot take advantage of some very sophisticated imaging tests like echo-planar MRI and spiral CT scanners because they're simply too fragile to move out of the intensive-care nursery.

Narrator: : But ultrasound can do it right at the bedside.

Filly: And ultrasound is a technology that I can wheel up there and perform with the same level of excellence that I can if the patient comes down to the ultrasound section.

Narrator: : For Science Today, I'm Steve Tokar.