Speech therapists are using ultrasound imaging to help fix the hardest speech problem in children. WSJ's Sumathi Reddy and NYU's Tara McAllister Byun, Ph.D. discuss. Photo: University of ...

Patients experience debilitating pain when kidney stones become stuck in the urinary tract. A relatively new ultrasound probe procedure has the highest success rate for breaking down kidney stones ...

Ultrasound scans are used to view the inside of our bodies. A small device called an ultrasound probe is used, which gives off high-frequency sound waves. We can't hear these sound waves ...