what caused john ritter's death
Born: 1948-09-17 - Died: 2003-09-11. Cause of Death: Aortic Dissection. Death Summary: John Ritter died from an aortic dissection caused by a congenital heart defect. He died in the middle of the second season of 8 Simple Rules for Dating My Teenage Daughter, a show that he was the star of.