What is aortic dissection? The rare heart condition linked to Lindsey Graham's cause of death that can strike without warning. Check causes, symptoms, risk factors and when to seek emergency help

Aortic dissection: US Senator Lindsey Graham's death from aortic dissection has raised public awareness. This condition involves a tear in the body's largest artery, the aorta. High blood pressure and hardening of arteries are major contributing factors to this emergency. Symptoms often mimic a heart attack, requiring immediate medical attention. Managing cardiovascular risk factors can help reduce the chances of developing this condition.