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Stroke - Topic Overview
SYMPTOMS & TREATMENTS
- Topic Overview
-
Health Tools
- Cause
- Symptoms
- What Happens
- What Increases Your Risk
- When To Call a Doctor
- Exams and Tests
- Treatment Overview
- Prevention
- Home Treatment
- Medications
- Surgery
- Other Treatment
- Other Places To Get Help
- Related Information
- References
- Credits
What is a stroke?
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, so it is important to know the symptoms of stroke and 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
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 stroke develops 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 (say
“iss-KEE-mick”) strokes. They are the most common type of stroke in older
adults.
- A
hemorrhagic 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 (say “heh-muh-RAH-jick”) 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.
How is it treated?
For an ischemic stroke, treatment focuses on restoring blood flow to the brain. If you get to the hospital right away after symptoms begin, doctors may use a medicine that dissolves blood clots. Research shows that this medicine can improve recovery from a stroke, especially if given within 90 minutes of the first symptoms.1 Other medicines may be given to prevent blood clots and control symptoms.
A hemorrhagic stroke can be hard to treat. Doctors may do surgery or other treatments to stop bleeding or reduce pressure on the brain. Medicines may be used to control blood pressure, brain swelling, and other problems.
After your condition is stable, treatment shifts to preventing other problems and future strokes. You may need to take a number of medicines to control conditions that put you at risk for stroke, such as high blood pressure, high cholesterol, and diabetes. Some people need to have a surgery to remove plaque buildup from the blood vessels that supply the brain (carotid arteries).
The best way to get better after a stroke is to start stroke rehab. The goal of stroke rehab is to help you regain skills you lost or to make the most of your remaining abilities. Stroke rehab can also help you take steps to prevent future strokes. You have the greatest chance of regaining abilities during the first few months after a stroke. So it is important to start rehab soon after a stroke and do a little every day.
Can you prevent a stroke?
After you have had a stroke, you are at risk for having another one. You can make some important lifestyle changes that can reduce your risk of stroke and improve your overall health.
Treat any health problems you have
- Manage high blood pressure or high cholesterol by working with your doctor.
- Manage diabetes. Keep your blood sugar levels within a target range.
- If your doctor recommends you take aspirin or a blood thinner, take it. This can help prevent having a stroke.
- Take your medicine exactly as prescribed. Call your doctor if you think you are having a problem with your medicine.
Adopt a healthy lifestyle
- Do not smoke or allow others to smoke around you.
- Limit alcohol to 2 drinks a day for men and 1 drink a day for women.
- Stay at a healthy weight. Being overweight makes it more likely you will develop high blood pressure, heart problems, and diabetes. These conditions make a stroke more likely.
- Do activities that raise your heart rate. Get at least 30 minutes of exercise on most days of the week. Walking is a good choice. You also may want to do other activities, such as running, swimming, cycling, or playing tennis or team sports.
- Eat a balanced diet that is low in cholesterol, saturated fats, and salt. These foods can make hardening of the arteries worse. Eat more fruits and vegetables. Eat fish at least once a month.
Frequently Asked Questions
Learning about stroke: | |
Being diagnosed: | |
Getting treatment: | |
Ongoing concerns: | |
Living with stroke: | |
End-of-life issues: |
| By: | Healthwise Staff | Last Revised: January 7, 2011 |
| Medical Review: | E. Gregory Thompson, MD - Internal Medicine Richard D. Zorowitz, MD - Physical Medicine and Rehabilitation | |
© 1995-2011 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated. This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. How this information was developed to help you make better health decisions.
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