But after a couple of years of work, xMEMS has arrived at the next generation — ultrasound through a solid-state speaker. This tiny, 1mm-thin speaker is called Cypress, and after listening to it ...

ANEURYSMS of the thoracic aorta may be of diverse etiology ... Neurologic examination was within normal limits. X-ray films of the chest (Fig. 1) and fluoroscopy revealed considerable cardiac ...

It can occur if someone has taken too much vitamin D from over-the-counter (OTC) supplements or prescription vitamin D. The main complication of vitamin D toxicity is hypercalcemia, which is ...

The aortic valve keeps blood flowing from the left ventricle to the aorta. Your child may be born with aortic stenosis (congenital). Or it may happen later (acquired). It occurs more often in boys ...

Forecasters warned that temperatures could be “10 to more than 30 degrees below normal” across much of the eastern two-thirds of the country during the first full week of the year. If you're ...