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Aneurysm Conditions & Symptoms

An aneurysm is an abnormal widening of part of the artery due to a weakening in the wall of the blood vessel, according to Medline Plus. If left untreated, the artery can burst, and in severe cases can quickly lead to death.

  1. Causes

    • Possible causes of an aneurysm include plaque buildup in the arteries, inflammatory heart diseases, hereditary disorders and infectious disease such as syphilis. Some are congenital, meaning they are present at birth.

    Common Locations

    • Aneurysms most commonly occur in the aortic arteries, the carotid arteries in the neck, the popliteal arteries behind the knees, the femoral arteries in the thighs and the cerebral arteries in the brain.

    Symptoms

    • If the aneurysm is near the surface, pain and throbbing may occur. Most aneurysms do not have symptoms until they rupture, causing low blood pressure, high heart rate and dizziness.

    Diagnosis

    • Aneurysms are often discovered by chance during a routine physical exam or from X-rays taken for another reason. They may also be heard as a whooshing sound through a stethoscope.

    Treatment

    • Surgery is usually required, which may include placing a stent in the blood vessel to open and stabilize it. Aneurysms smaller than 2 inches may only require blood pressure medications, according to Merck.

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