A patent foramen ovale (PFO) is a hole in the heart that doesn’t close as expected after birth. Before a baby is born, they have a hole between the left and right sides of their heart. This hole, ...

There’s a good chance you may be walking around with a hole in your heart. “It’s as common as having blue eyes or being left-handed,” said Dr. Phillip Horwitz, a cardiologist and the executive ...

Both traditional and less conventional risk factors contribute strongly to the risk of cryptogenic ischemic stroke in adults younger than 50 years, but their relative importance varies by the presence ...