According to the American Heart Association, approximately five million Americans have heart failure and each year, more than 500,000 new cases are diagnosed. Although there are many reasons for heart failure, all people with heart failure have one thing in common: their hearts do not pump like they should, so blood does not circulate properly. In a healthy heart, both ventricles (lower part of the heart) pump or beat in a coordinated fashion at the same time, similar to making a fist by … [Read more...] about Cardiac Resynchronization