Cardiac surgery involves surgery on the heart or heart valves. A cardiac surgeon performs heart surgery, also known as coronary artery bypass surgery, on patients who have heart disease or heart valve disorders. Reasons that may make heart surgery necessary are: coronary artery disease, congenital heart defects, disease of the heart valves, or heart attack. Some heart conditions can cause permanent damage to the heart muscle, and can be fatal.

Doctor density varies by specialty and location. Michigan has 2 practicing cardiac surgeons. Broken out by city, cardiac surgery doctor density in Dearborn is 1, in Lansing is 1, and in Roseville is 1.

Michigan’s capital is Lansing, and its population is 10,120,860. Michigan has lots of places to entertain residents and visitors: tour Kellogg’s Cereal City USA in Battle Creek, the Motown Historical Museum in Detroit, the Henry Ford Museum in Dearborn, or the Grand Rapids Brewing Co. Take a carriage tour on Mackinac Island, where no vehicle traffic is allowed. Michigan borders on four of the five Great Lakes, so there are always lakefront vistas and lighthouse tours and boat rides, no matter what shore you’re on. The Soo Lock system is the world’s busiest lock system for boat traffic. Famous people born here include industrialist Henry Ford, and singers Diana Ross and Madonna.

According to 2005 Census estimates, Michigan has a population of 10,120,860. Of this population, 2,451,309 are under the age of 18 and 1,252,187 are at or above the age of 65.