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. Iowa has 5 practicing cardiac surgeons. Broken out by city, cardiac surgery doctor density in Bettendorf is 2, in Davenport is 2, in Des Moines is 1, in Dubuque is 1, and in Fort Dodge is 2.

Iowa’s capital is Des Moines, home to Drake University. Iowa achieved Statehood 1846, and the state’s population is now 2,996,334. The Mississippi river borders the state on the east, and a majority of the state’s economic output is agricultural. Many cultural and entertainment opportunities exist for visitors to the “quad cities” of Davenport and Bettendorf, IA, and Rock Island and Moline, IL. Numerous museums, arts, music and sports events are available in Iowa, including the Herbert Hoover National Historic Site, the Amana Colonies, and the Buffalo Bill Cody Homestead. Famous people born in Iowa: Buffalo Bill, entertainers Johnny Carson and John Wayne, and former president Herbert Hoover.

According to 2005 Census estimates, Iowa has a population of 2,966,334. Of this population, 656,031 are under the age of 18 and 434,196 are at or above the age of 65.