An aortic dissection occurs when a tear forms in the inner lining of the aorta, causing blood to flow between the layers of the artery wall. High blood pressure is an important risk factor, while inherited connective-tissue disorders, aortic disease and certain valve conditions can also increase risk. Sudden severe chest or back pain is a key warning sign and requires immediate medical assessment.
What is an aortic dissection?
The aorta is the body’s largest artery. It carries oxygen-rich blood from the heart to the rest of the body.
An aortic dissection occurs when a tear develops in the inner layer of the aortic wall. Blood can then enter the wall and separate its layers, potentially extending along the length of the aorta.
The condition is sometimes described in everyday language as a “ruptured aorta,” although an aortic dissection and a complete rupture of an aortic aneurysm are not the same condition.
What causes an aortic dissection?
Several conditions can weaken the aortic wall and increase the risk of an aortic dissection.
High blood pressure is one of the most important risk factors. Aortic aneurysms, certain inherited connective-tissue disorders and a family history of aortic disease can also increase risk.
Conditions such as Marfan syndrome and some other genetic disorders can increase the risk at a younger age. Certain aortic valve abnormalities and previous procedures involving the aorta may also be relevant risk factors.
Sudden severe pain is a key warning sign
One of the most characteristic symptoms of an aortic dissection is sudden, severe chest or back pain. Some people describe the pain as extremely intense or as spreading from the chest toward the back.
Other symptoms can include shortness of breath, fainting, weakness and neurological symptoms. Because these symptoms can overlap with those of a heart attack and other medical emergencies, rapid medical assessment is essential.
Why is an aortic dissection an emergency?
An aortic dissection can interfere with blood flow to vital organs or lead to life-threatening bleeding and other complications.
Doctors may use imaging tests such as computed tomography (CT), magnetic resonance imaging (MRI) or echocardiography to identify the dissection.
Treatment depends on the location and severity of the dissection. It may involve medication to control blood pressure and heart rate, emergency surgery or endovascular treatment.
Why It Matters
An aortic dissection is uncommon but potentially fatal if treatment is delayed. Sudden severe chest or back pain should never be ignored, particularly when accompanied by shortness of breath, fainting or neurological symptoms. Rapid emergency assessment is essential because the condition can resemble other serious cardiovascular emergencies.
Frequently Asked Questions
Is an aortic dissection the same as an aortic aneurysm?
No. An aneurysm is an abnormal enlargement or bulging of the aortic wall, while an aortic dissection involves a tear in the inner layer of the artery and separation between layers of the vessel wall.
What is the most common warning sign of an aortic dissection?
Sudden, severe chest or back pain is one of the most characteristic symptoms. However, symptoms can vary and may resemble those of a heart attack or other emergencies.
Does high blood pressure increase the risk?
Yes. Long-term high blood pressure places increased stress on the aortic wall and is an important risk factor for aortic dissection.
What should I do if I develop sudden severe chest or back pain?
Seek emergency medical attention immediately. Aortic dissection cannot be reliably distinguished from other serious causes of chest or back pain without medical evaluation.
Sources: Turkish Society of Cardiology, American Heart Association, American College of Cardiology
This content has been prepared solely for news and general information purposes. The information provided herein is not intended for diagnosis or treatment. Please consult your doctor or a qualified healthcare provider regarding decisions concerning your health. Our website is not liable for any direct or indirect consequences arising from the use of the published information.
