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The Daily Ardmoreite
Got a minute? Your health deserves it. Check this blog for the latest medical news, healthy living tips and more.

This information does not replace the advice of a doctor.
What is stroke?
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By Health Minute
Mercy is the sixth largest Catholic health care system in the U.S. and serves more than 3 million people annually. Mercy includes 31 hospitals, nearly 300 outpatient facilities, 38,000 co-workers and 1,700 integrated physicians in Arkansas, Kansas, ...
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Mercy's Health Minute
Mercy is the sixth largest Catholic health care system in the U.S. and serves more than 3 million people annually. Mercy includes 31 hospitals, nearly 300 outpatient facilities, 38,000 co-workers and 1,700 integrated physicians in Arkansas, Kansas, Missouri and Oklahoma. Mercy also has outreach ministries in Louisiana, Mississippi and Texas. For more about Mercy, visit www.mercy.net .
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Dec. 11, 2012 12:01 a.m.



A stroke occurs when a blood vessel in the brain is blocked or bursts. Without blood and the oxygen it carries, part of the brain starts to die. The part of the body controlled by the damaged area of the brain can't work properly.

Brain damage can begin within minutes. That's why it's so important to know the symptoms of stroke and to act fast. Quick treatment can help limit damage to the brain and increase the chance of a full recovery.

What are the symptoms?



Symptoms of a stroke happen quickly. A stroke may cause:



  • Sudden numbness, tingling, weakness, or loss of movement in your face, arm, or leg, especially on only one side of your body.


  • Sudden vision changes.


  • Sudden trouble speaking.


  • Sudden confusion or trouble understanding simple statements.


  • Sudden problems with walking or balance.


  • A sudden, severe headache that is different from past headaches.




If you have any of these symptoms, call 911 or other emergency services right away.

See your doctor if you have symptoms that seem like a stroke, even if they go away quickly. You may have had a transient ischemic attack (TIA), sometimes called a mini-stroke. A TIA is a warning that a stroke may happen soon. Getting early treatment for a TIA can help prevent a stroke.

What causes a stroke?



There are two types of stroke:



  • An ischemic (say "iss-KEE-mick") stroke happens when a blood clot blocks a blood vessel in the brain. The clot may form in the blood vessel or travel from somewhere else in the blood system. About 8 out of 10 strokes are ischemic strokes. They are the most common type of stroke in older adults.


  • A hemorrhagic (say "heh-muh-RAW-jick") stroke develops when an artery in the brain leaks or bursts. This causes bleeding inside the brain or near the surface of the brain. Hemorrhagic strokes are less common but more deadly than ischemic strokes.




How is a stroke diagnosed?



You need to see a doctor right away. If a stroke is diagnosed quickly—right after symptoms start—doctors may be able to use medicines that can help you recover better.

The first thing the doctor needs to find out is what kind of stroke it is: ischemic or hemorrhagic. This is important because the medicine given to treat a stroke caused by a blood clot could be deadly if used for a stroke caused by bleeding in the brain.

To find out what kind of stroke it is, the doctor will do a type of X-ray called a CT scan of the brain, which can show if there is bleeding. The doctor may order other tests to find the location of the clot or bleeding, check for the amount of brain damage, and check for other conditions that can cause symptoms similar to a stroke.

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