Question

Brain Aneurysms

What is the difference between a stroke and a brain aneurysm?

A Answers (1)

  • AJack Klem, MD, Neurosurgery, answered on behalf of Baptist Health South Florida
    An aneurysm and a stroke have one big factor in common: they are both conditions due to problems with blood vessels in and around the brain. However, there are differences.

    An aneurysm has to do with the weakening of a wall of a blood vessel, usually an artery. The weakening in the vascular wall can result in a bulging or blood-filled sac. The blood in this sac can clot, break free and form an obstruction that can lodge elsewhere and prevent necessary blood flow. Aneurysms usually occur in the aorta, the body's largest artery. But they can also frequently occur in the brain.

    A stroke occurs when brain cells start to die from a lack of oxygen-rich blood. Sudden bleeding in the brain can also cause a stroke if brain cells are damaged. Stroke symptoms can include sudden weakness, paralysis or numbness of the face, arms, or legs; and trouble speaking or seeing.

    Both a stroke and an aneurysm are serious medical conditions that require emergency care.

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