A team of researchers at Penn State College of Engineering have been fine-tuning a technology that allows them to create ...

Directing sound to a specific location is difficult because of how sound waves behave. As vibrations move through the air, ...

Fetal echo is short for fetal echocardiogram, an ultrasound test doctors use to ... It emits ultrasonic sound waves into your belly that create an image on the doctor’s screen.

Ultrasound technology uses sound waves produced and detected by a tool called a transducer. An echo is produced when body tissues reflect the sound waves emitted by the transducer. The transducer ...

It probably won't come as much of a surprise to learn that Amazon claims the $200 high-end Echo Studio offers the best audio experience. But to learn more, you'll want to take a look at the device ...

Heart conditions can be difficult to diagnose, often requiring specialised tools to provide a clear picture of a patient’s heart health. Among the most effective methods is the echo test for heart, ...

However, conventional ultrasound and echo-enhanced sonography should not be used as separate imaging techniques. Conventional ultrasound is the basic sonographic method, and tumor differentiation ...

From January 1999 to October 2002, we prospectively studied 31 patients (mean age 57 years, range 36-82 years) with a cystic pancreatic lesion at the conventional ultrasound. Eleven patients ...