Medical Advances

http://www.pbs.org/wgbh/nova/heart/pioneers.html
The site explores a radical but promising new form of heart surgery that flies in the face of what most heart surgeons learned in medical school. Its also include brief history of heart surgery and its pioneers.

http://www.pbs.org/wgbh/nova/eheart/
The site tells the story of a handful of brilliant, obsessed surgeons and researchers who have pursued the target of a practical artificial heart for decades.

http://heart-surgeon.com/
This site contains slide shows of surgical procedures like mitral valve repair, aortic valve and coronary artery bypass surgery, and other information regarding surgical results and patient services.

http://www.heartnet.org/index.htm
This site contains information on Minimally Invasive Direct Coronary Artery Bypass (MIDCAB), and the 21st Century Cardiac Surgical Society.