Heart Valve Diseases Heart Valve Diseases Click Image to Enlarge What are heart valves? The heart consists of four chambers -- two atria (upper chambers) and two ventricles (lower chambers). There is a valve through whic...
Mitral Valve Prolapse Mitral Valve Prolapse What is mitral valve prolapse (MVP)? Mitral valve prolapse, also known as click-murmur syndrome, Barlow's syndrome, balloon mitral valve, or floppy valve syndrome, is the bulgin...
Heart Murmurs Heart Murmurs What causes a heart murmur? Heart murmurs may be caused by a number of factors or diseases, including: Defective heart valves Holes in the walls of the heart (atrial septal defect or ve...