Five Most Important Types of Strokes:

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The Stroke Center
at Saint Francis

1400 Woodland St
Hartford, Connecticut 06105

There are several different types of strokes that can occur.

  1. Ischemic Stroke

    This is the most common type of stroke, occurring in about 90% of stroke patients. Ischemic stroke happens when the flow of blood to part of the brain is blocked, preventing oxygen from being delivered to the brain. This is also known as Cerebral Infarction.

  2. Transient Ischemic Attack (TIA)

    This type of stroke occurs when blood flow to the brain is blocked temporarily. TIA causes symptoms that last for a short time, and then go away. They are also known as "mini strokes." TIAs are a warning that a more serious stroke may occur. One-third of all stroke patients had TIA symptoms before their stroke. To prevent a future stroke, you must seek treatment for a TIA.

  3. Intracranial Hemorrhage

    An intracranial hemorrhage is an injury to the brain in the form of bleeding (hemorrhage) within the skull. This is often the result of a head injury, a burst artery, or an aneurysm.

  4. Cardioembolic Stroke

    A Cardioembolic Stroke results from a blood clot traveling from the heart to the brain, blocking the flow of oxygen to a specific portion of the brain tissue. The most common causes of Cardioembolic Stroke are Atrial Fibrillation and Cardiomyopathy. Atrial fibrillation is an abnormal heart rhythm which involves the two upper chambers of the heart. It is the leading cause of Stroke because the erratic motion of the atria leads to blood stagnation, increasing the risk of blood clots that may travel from the heart to the brain. Cardiomyopathy, which means "sick heart" is a type of heart failure in which the muscles of the heart no longer have the strength to pump as strongly as they used to. Cardiomyopathy can occur after a heart attack, and is a risk factor for Stroke because the blood does not pump out of the chambers of the heart effectively.

  5. Subarachnoid Hemorrhage

    A large artery in the brain may become weak. It may stretch out, like a balloon filling with water. The "balloon" is called an aneurysm. The aneurysm may break into the space between the brain tissue and the membrane that covers the break, leaking blood into the brain.