Science news articles about 'ultrasound waves'

... ultrasound waves for deep vein thrombosis (DVT) may help dissolve blood clots in less ... tPA (tissue plasminogen activator), while using ultrasound to loosen the proteins in their blood clots and send ...

... smoothly through blood vessels. TCD is a noninvasive tool that uses ultrasound waves to measure the speed of blood flow in large vessels in the brain. An abnormally high speed is a ...

... , are tiny gas-filled lipid structures that cavitate (rapidly expand and collapse) when exposed to ultrasound waves, helping to reopen blocked arteries and restore blood flow. "These findings ...

... two techniques to measure the level of cholesterol build-up in the arteries. In the first test, ultrasound waves gauged the thickness of the walls of the carotid arteries in the neck, a test known as ...

... which looks at the backscatter of transmitted ultrasound waves through tissues. Ninety-nine women with 110 ... alone compared to 88.5% by conventional ultrasound," said Llewellyn Sim, MD, lead author of ...

... of mechanical science and engineering at Illinois, successfully focused ultrasound waves through a flat metamaterial lens on a spot roughly half the width of a wavelength at 60.5 ...

... happens very quickly and creates small shock waves. In effect, the short laser pulse gives rise to an ultrasound wave that the researchers pick up with an ultrasound microphone. The real power ...

Researchers are developing a new technique to move kidney stones with low-intensity ultrasound waves