When Every Minute Counts Until Treatment
If one of your loved ones was doubled over with chest pain, having what appears to be a heart attack, or you witnessing someone sustaining severe injuries, you would probably call 911 so they could receive medical attention as quickly as possible. What if you observed someone suddenly lose the ability to speak, move parts of his or her body or have trouble seeing? Would you react the same way? The answer is probably yes, if you recognize the symptoms of a stroke.
Strokes occur when blood flow to the brain is interrupted. When a person begins suffering a stroke, brain cells in the immediate area begin to die because they stop receiving the oxygen and nutrients they need to function. This is why immediate medical attention is necessary.
Stroke patients who receive treatment within the first hour of onset have the best chance of survival and prevention of disability. The window of opportunity to treat the majority of stroke patients is about three hours. After six hours, studies show that there may be little to no benefit.
There are two major kinds of strokes. The most common is called an ischemic stroke, which is caused by a blood clot that blocks or plugs a blood vessel or artery in the brain. These types of strokes may be treated with a drug called t-PA, which dissolves blood clots, if patients receive care within the first three hours of the stroke. The second major type of stroke is a hemorrhagic stroke, which is caused by a blood vessel in the brain breaking and bleeding into the brain. Surgery to repair blood vessel abnormalities may be performed to reduce future risk of this type of stroke.
There is one other type of brain attack that may be a sign that an ischemic stroke is on the way. Transient ischemic attacks (TIA), or “mini-strokes,” happen when blood flow to the brain is temporarily blocked. The effects of TIAs may last only a few minutes or even an entire day, but this does not mean they should be ignored. TIAs may be predictors of strokes. It’s estimated that about 14 percent of TIA sufferers will have a stroke within a year of the TIA experience.
Besides TIAs, there are other warning signs of a stroke. They include:
- Sudden numbness or weakness of face, arm or leg, especially on one side of the body
- Sudden confusion or trouble speaking or understanding speech
- Sudden trouble walking, dizziness, or loss of balance or coordination
- Sudden severe headache with no known cause
- Blurred or double vision, drowsiness, and nausea or vomiting
Remember, not every stroke sufferer will have all of these signs and sometimes the symptoms will go away only to return again. Call 911 right away if you or anyone you know has one or more of these symptoms. The sooner medical treatment is given, the better the chances for survival and healing.
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