Atrial flutter is a type of irregular heartbeat, or an arrhythmia. It causes your heart to beat too fast. Atrial flutter doesn't always have symptoms, but it can sometimes have serious consequences if ...

David Nield is a technology journalist from Manchester in the U.K. who has been writing about gadgets and apps for more than 20 years. He has a bachelor's degree in English Literature from Durham ...

Rachel Williams has been an editor for nearly two decades. She has spent the last five years working on small business content to help entrepreneurs start and grow their businesses. She’s well-versed ...

What Is Mitral Valve Regurgitation? When your heart pumps blood, it’s supposed to follow a specific path in one direction. But sometimes, it goes the wrong way. Mitral valve regurgitation is when your ...