Karyne Levy is the deputy managing editor of TechCrunch. Before joining TC, Karyne was deputy managing editor at Protocol, helping manage a newsroom of more than 40 people. Prior to that she was a ...

Kyle Wiggers is TechCrunch’s AI Editor. His writing has appeared in VentureBeat and Digital Trends, as well as a range of gadget blogs including Android Police, Android Authority, Droid-Life ...

This lets blood to leak backward. This may result in a mitral regurgitation murmur. Mitral valve stenosis With this valve disease, the mitral valve opening is narrowed. It is often caused by a past ...

Mitral stenosis was associated with delayed mitral closure in a few cases only, but in chronic aortic regurgitation closure was consistently early with respect to the apexcardiogram. In patients with ...