Heart condition tied to Lindsey Graham's death can strike without warning — what to know

New details surrounding Sen. Lindsey Graham's sudden death have drawn attention to a cardiovascular emergency that can become fatal within minutes. On Sunday, a statement released by Graham's office cited preliminary findings from the District of Columbia's Office of the Chief Medical Examiner, identifying the cause of death as an aortic dissection due to arteriosclerotic cardiovascular disease. Authorities said Graham, 71, was transported to George Washington University Hospital, where he was p