51.   A heart rhythm problem called Long QT syndrome is the third most common cause of sudden death.

52.   A doctor at the Albany Medical Center told him that not only did he have heart problems, but he also suffered from a panic disorder.

53.   A news release from Daytona International Speedway said he did not have a heart problem, but was being held for observation.

54.   A heart problem forced MacIntyre to slow down nearly a decade ago.

55.   A number of risks can lead to heart problems, most of which Stephanie avoided.

56.   A recent six-week hospital stay for his heart problem slowed his physical therapy.

57.   About three-quarters of those infected are people with existing heart problems, including leaky or significantly thickened valves.

58.   Adding to anger was a statement from a hospital spokesman that the dead man had suffered from a congenital heart problem.

59.   After the Olympics, Kanu joined Inter, and doctors for the Milanese club discovered a heart valve problem, and his career appeared over.

60.   After their first bout, Holyfield was diagnosed with a heart problem, a diagnosis that somehow was later changed, and later said his shoulder was injured.