Silver Book Fact
As many as 5 million Americans are diagnosed with heart valve disease each year.
Nkomo V, Gardin J, Skelton T, Gottdiener J, et al. Burden of Valvular Heart Diseases: A population-based study. Lancet. September 2006; 368(9540): 1005-11. http://www.ncbi.nlm.nih.gov/pubmed/16980116