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New particulars surrounding Sen. Lindsey Graham’s sudden dying have drawn consideration to a cardiovascular emergency that may turn into deadly inside minutes.
On Sunday, an announcement launched by Graham’s office cited preliminary findings from the District of Columbia’s Workplace of the Chief Medical Examiner, figuring out the reason for dying as an aortic dissection resulting from arteriosclerotic heart problems.
Authorities mentioned Graham, 71, was transported to George Washington College Hospital, the place he was pronounced lifeless at 10:23 p.m. Saturday. An post-mortem was accomplished Sunday.
“The dying certificates will probably be PENDING till all of the toxicological and microscopic testing are finalized, and at that time the dying certificates will probably be up to date to replicate the reason for dying and appropriately classify the way of dying,” the assertion mentioned.
Fox Information Digital reached out to Graham’s workplace requesting remark.

New particulars surrounding Sen. Lindsey Graham’s sudden dying have drawn new consideration to a cardiovascular emergency that may turn into deadly inside minutes. (Getty Photographs)
What’s an aortic dissection?
An aortic dissection is a life-threatening medical emergency during which a tear develops within the internal layer of the aorta — the physique’s largest artery, in response to Mayo Clinic.
Blood rushes by the tear and causes the layers of the aortic wall to separate, which might disrupt blood flow to important organs or result in a deadly rupture if not handled instantly.
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“It happens when the layers of the aorta come aside and the internal one tears,” Fox Information senior medical analyst Dr. Marc Siegel, who didn’t deal with Graham, informed Fox Information Digital.
“It could possibly come on in minutes or days and could also be arduous to acknowledge,” he added, noting that whereas dissections can evolve over time, signs usually seem abruptly.

A spontaneous coronary artery dissection is a uncommon, generally deadly traumatic situation that may disrupt blood stream to important organs or result in a deadly rupture if not handled instantly. (iStock)
Dr. Kenneth Perry, an emergency physician based mostly in South Carolina, mentioned the easiest way to visualise the situation is to consider the aorta as a hose.
“The wall of the hose has a number of layers to it, and if the layers separate, the water can now not go down the common opening within the tube,” Perry, who additionally was not concerned in Graham’s care, informed Fox Information Digital. “Usually, this begins as a really small tear that retains progressing due to the water stress.”
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“The identical factor is going on within the aorta,” he went on. “The small tear within the wall of the aorta continues to progress, normally from severely elevated blood pressure.”
Because the tear continues previous the smaller arteries coming from the aorta, blood can now not stream from the center to the opposite organs.

Sen. Lindsey Graham talks with reporters within the U.S. Capitol throughout votes on Tuesday, March 10, 2026. Authorities mentioned Graham, 71, was transported to George Washington College Hospital, the place he was pronounced lifeless at 10:23 p.m. Saturday. (Tom Williams/CQ-Roll Name, Inc by way of Getty Photographs)
“This causes the organs that want that blood to die from lack of oxygen,” Perry mentioned. “The one strategy to survive such a analysis may be very early identification and strict blood stress management with emergent operative administration.”
Aortic dissection is comparatively uncommon, affecting an estimated three to 4 folks per 100,000 annually, in response to Cleveland Clinic.
What causes an aortic dissection?
In Graham’s case, the preliminary findings cited arteriosclerotic heart problems. This situation is mostly related to atherosclerosis, during which plaque builds up contained in the arteries, inflicting them to harden and slender.
Over time, this course of can weaken the wall of the aorta, growing the chance of an aortic dissection.
“It could possibly come on in minutes or days and could also be arduous to acknowledge.”
Excessive-risk teams
Arteriosclerotic heart problems can develop over time and is pushed by a number of components, in response to the American Coronary heart Affiliation and Mayo Clinic. A number of the teams at highest danger embrace the next.
- Folks with uncontrolled high blood pressure (hypertension), which locations fixed stress on the aortic wall
- Older adults, significantly these of their 60s and 70s
- Males, who’re identified extra usually than ladies
- Folks with atherosclerosis (hardening of the arteries) or different heart problems
- These with an aortic aneurysm, which weakens the wall of the aorta
- Folks born with sure coronary heart defects, corresponding to a bicuspid aortic valve
- These with inherited connective tissue problems, together with Marfan syndrome, Loeys-Dietz syndrome and vascular Ehlers-Danlos syndrome
- People who smoke and folks with longstanding high cholesterol, each of which contribute to artery injury
- Folks with diabetes and weight problems
- Those that are bodily inactive and/or eat an unhealthy weight loss program

U.S. Sen. Lindsey Graham (R-SC) speaks throughout an govt enterprise assembly of the Senate Judiciary Committee on Nov. 9, 2023, in Washington, D.C. Graham’s deadly situation was linked to arteriosclerotic heart problems. (Alex Wong/Getty Photographs)
Warning indicators it is best to by no means ignore
Signs of an aortic dissection can come on abruptly and infrequently mimic these of a heart attack or stroke, consultants say.
Anybody experiencing any of the beneath warning indicators ought to name 911 for fast emergency medical care, in response to Siegel and different well being consultants.
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- Sudden, extreme chest or higher again ache, usually described as tearing, ripping or stabbing, which can unfold to the neck or again
- Shortness of breath
- Sudden, extreme stomach ache
- Lack of consciousness (fainting)
- Stroke-like signs, corresponding to sudden imaginative and prescient adjustments, problem talking, weak point or numbness on one facet of the physique
- Leg ache or problem strolling

Arteriosclerotic heart problems can develop over time and is pushed by a number of components, in response to the American Coronary heart Affiliation and Mayo Clinic. (iStock)
“Aortic dissection is likely one of the illnesses that emergency physicians consider usually when somebody presents with chest pain — particularly ache described as a tearing sensation, with elevated blood stress,” Perry informed Fox Information Digital.
“We frequently describe the aortic dissection affected person as showing to have a ‘kidney stone of the chest,’ — that means they’ve extreme ache and can’t get comfy, much like kidney stone sufferers.”
Analysis and remedy
Early analysis and remedy significantly enhance the possibilities of survival for individuals who have suffered an aortic dissection.
Medical doctors usually diagnose an aortic dissection utilizing imaging checks, together with a CT scan, transesophageal echocardiogram (ultrasound), magnetic resonance angiography (MRI-based scan) and chest X-ray, per Mayo Clinic.
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The situation requires fast medical treatment, which is able to rely on which a part of the aorta is affected.
Kind A dissections contain the ascending (higher) aorta close to the center, which usually require emergency surgery.

In keeping with the American Coronary heart Affiliation, an untreated acute aortic dissection is likely one of the deadliest cardiovascular emergencies. (iStock)
Kind B dissections have an effect on the descending (decrease) aorta farther from the center, in response to Mayo Clinic. These could also be handled with drugs to decrease blood stress and coronary heart charge, though some might also require surgical procedure or a stent.
Those that survive the occasion will typically want lifelong blood stress administration and common imaging to watch the aorta, per the above supply.
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“This situation has a excessive mortality rate,” Siegel mentioned.
In keeping with the American Coronary heart Affiliation, an untreated acute aortic dissection is likely one of the deadliest cardiovascular emergencies.
“We frequently describe the aortic dissection affected person as showing to have a ‘kidney stone of the chest.'”
For untreated dissections involving the ascending aorta, the chance of dying will increase by roughly 1% to 2% for each hour remedy is delayed after signs start, in response to the American Faculty of Cardiology and the American Coronary heart Affiliation.
With out remedy, greater than half of individuals with a Kind A aortic dissection die inside one month. About 20% of Kind A sufferers will die within the hospital, in comparison with 10% for handled Kind B dissections.
Can or not it’s prevented?
Whereas not all aortic dissections might be prevented, folks can scale back their danger by controlling sure lifestyle factors.
“You should be sure your blood stress is well-controlled, your ldl cholesterol is low and that you’re seen repeatedly by a health care provider,” Siegel suggested.
People who smoke ought to kick the behavior, he mentioned, as they’re at a extremely elevated danger.
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Sustaining a healthy weight and following remedy plans for underlying coronary heart or vascular circumstances also can scale back the chance, in response to Mayo Clinic.
Folks with a household historical past of aortic illness or inherited connective tissue problems ought to focus on screening with their healthcare supplier, medical doctors advise.