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What are the different types of stroke?

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A stroke can happen in two main ways: Something blocks the flow of blood, or something causes bleeding in the brain. There are several types of stroke. For example:

Some people have what's called a transient ischemic attack (TIA). This "mini stroke" is due to a temporary blockage. It doesn't cause permanent brain damage, but it raises your odds of having a full-scale stroke.

  • Ischemic stroke. In 8 out of 10 strokes, a blood vessel that takes blood to your brain gets plugged. It happens when fatty deposits in arteries break off and travel to the brain or when poor blood flow from an irregular heartbeat forms a blood clot.  
  • Hemorrhagic stroke. It's less common than an ischemic stroke, but can be more serious. A blood vessel in your brain balloons up and bursts, or a weakened one leaks. Uncontrolled high blood pressure and taking too much blood thinner medicine can lead to this kind of stroke.

From: Top Causes of Stroke WebMD Medical Reference

SOURCES:

CDC: "Stroke."

National Institute of Neurological Disorders and Stroke: "Brain Basics: Preventing Stroke."

Cleveland Clinic: "Know Your Risk Factors for Stroke," "Transient Ischemic Attack," "Understanding Stroke," "What is a Stroke?"

Merck Manuals Online: "Stroke: Introduction."

National Stroke Association: "Am I at risk for a stroke?" "Hemorrhagic stroke," "What Is Stroke?""

Womenshealth.gov: "Stroke."

American Heart Association: "Stroke Risk Factors."

American Stroke Association: "Let's Talk About Risk Factors for Stroke," "Stroke Risks."

American College of Cardiology: "Understanding Risks of Stroke and Blood Thinners."

American Society of Hematology: "Sickle Cell Anemia."

Reviewed by Neha Pathak on November 3, 2017

SOURCES:

CDC: "Stroke."

National Institute of Neurological Disorders and Stroke: "Brain Basics: Preventing Stroke."

Cleveland Clinic: "Know Your Risk Factors for Stroke," "Transient Ischemic Attack," "Understanding Stroke," "What is a Stroke?"

Merck Manuals Online: "Stroke: Introduction."

National Stroke Association: "Am I at risk for a stroke?" "Hemorrhagic stroke," "What Is Stroke?""

Womenshealth.gov: "Stroke."

American Heart Association: "Stroke Risk Factors."

American Stroke Association: "Let's Talk About Risk Factors for Stroke," "Stroke Risks."

American College of Cardiology: "Understanding Risks of Stroke and Blood Thinners."

American Society of Hematology: "Sickle Cell Anemia."

Reviewed by Neha Pathak on November 3, 2017

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How can high blood pressure affect my risk for a stroke?

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