Senator Lindsey Graham died at 71 from an aortic dissection, according to preliminary autopsy findings. The South Carolina Republican collapsed at his home and could not be revived despite emergency medical intervention.
An aortic dissection occurs when the inner layer of the aorta, the body's largest artery, tears. Blood flows between the layers of the artery wall, weakening its structure and risking rupture. This condition develops suddenly and demands immediate treatment. Without emergency surgery, survival rates drop sharply within the first hours and days.
Risk factors for aortic dissection include high blood pressure, atherosclerosis, and connective tissue disorders like Marfan syndrome. Age and male sex also increase vulnerability. Some cases occur without warning in people with no known risk factors, making the condition particularly dangerous.
Aortic dissection produces distinctive symptoms. Patients typically experience sudden, severe chest or upper back pain, often described as tearing or ripping. Some experience pain radiating to the neck, arms, or legs. Shortness of breath, weakness, or stroke-like symptoms can follow if the dissection compromises blood flow to vital organs.
Emergency diagnosis relies on imaging. CT angiography, MRI, or transesophageal echocardiography can confirm dissection and guide treatment. Type A dissections, which involve the ascending aorta closest to the heart, require immediate surgery. Type B dissections, affecting the descending aorta, often receive medication-first management.
The mortality rate for untreated aortic dissection reaches 1 percent per hour during the first 48 hours. With prompt surgical or medical intervention, survival improves substantially. Survival also depends on which aortic segment ruptures and whether blood flow to major organs remains intact.
Graham's death underscores how rapidly aortic dissection