The heart consists of 4 chambers--2 atria (upper chambers) and 2 ventricles (lower chambers). Blood passes through a valve as it leaves each chamber of the heart. The valves prevent the backward flow ...

Boston Scientific Corp. reported the latest setback in its transcatheter aortic valve replacement (TAVR) aspirations with the news that it is officially discontinuing worldwide sales of its Acurate ne ...

2 Center for Molecular and Human Genetics, Research Institute at Nationwide Children's Hospital, Columbus, Ohio, USA 3 The Heart Center and Center for Cardiovascular and Pulmonary Research, Research ...

On a wintry November day in 1945, a simply dressed, white-haired woman huddled beside a gaunt, somber man as they read a plaque affixed to a tree in southern Germany: “Here in the years 1933–1945, 238 ...

Severe storm conditions are edging closer to Michigan tonight. Radar shows storms packing golf ball-sized hail and carrying the threat of tornadoes are moving across Lake Michigan, the National ...

The Denver Nuggets beat the Oklahoma City Thunder 119-107 in Game 6 of the Western Conference Semifinals, and will face off in a winner-take-all Game 7. Craig Carton, Danny Parkins, and Mark ...

Valve has issued a statement addressing reports of a recent leak involving old text messages sent to Steam users, clarifying that its own systems were not breached. The clarification follows growing ...

New audience figures have revealed that The BBC Radio 2 breakfast show has lost 360,000 listeners since Zoe Ball exited the show. Ball now fronts the Saturday afternoon show on the station ...

Units: About 3,700 (In addition, about 18,500 were sold in Canada). Description: This recall involves all models of Delta-branded Gas Ball Valves. These are chrome manually operated gas valves sold by ...

Details on 89M Steam Accounts Leaked, Valve Says Systems Not Breached Valve says the leak features phone numbers that previously received a one-time passcode, but they're not associated with a ...