But experts generally advise against using the drug if more than three hours have passed after the first signs of a stroke.
VOA: special.2009.09.22
But traditional guidelines say not to use tPA if more than three hours have passed after the first signs of a stroke.
VOA: special.2009.08.12
In nineteen fifty-nine, Hurston suffered a stroke and entered a nursing home in Fort Pierce,Florida.
VOA: special.2009.02.22
Yet people who seem healthy can suffer a stroke without even knowing it.
VOA: special.2009.09.22
If you think someone is having a stroke, you should seek help immediately.
VOA: special.2009.08.12
A stroke is a loss of blood flow in the brain.
VOA: special.2009.09.22
In 1898, Jack Gardner died unexpectedly of a stroke.
VOA: special.2009.01.11
In eighteen seventy-three, Walt Whitman suffered a stroke.
VOA: special.2009.04.12
Experts say that supported the widespread belief Mr.Kim suffered a stroke.
VOA: standard.2009.12.30
There are two kinds of strokes. An ischemic stroke happens when a blood vessel in the brain gets blocked.
VOA: special.2009.09.22
Clots can block the flow of blood to the heart or brain and cause a heart attack or stroke.
VOA: special.2009.10.20
Those bacteria can increase the chances of a heart attack or stroke and worsen the effects of other diseases.
VOA: special.2009.03.11
A study published in Stroke last year involved about two thousand people with an average age of sixty-two.
VOA: special.2009.08.12
Brain imaging showed that nearly eleven percent of them had suffered what is known as a silent stroke.
VOA: special.2009.08.12
It may last a few seconds, but it can get worse and worse with age, leading to a heart attack or stroke.
VOA: special.2010.02.17
To one it comes like the stroke of an arrow, shocking all the emotions to a sharper life.
VOA: special.2009.10.31
Many people take aspirin to reduce the risk of a heart attack or stroke from blood clots.
VOA: special.2009.10.20
The problem may last a few seconds, but it can get worse and worse with age, leading to a heart attack or stroke.
VOA: special.2010.03.02
Paul Bunyan could clear large wooded areas with a single stroke of his large, sharp axe.
VOA: special.2009.01.24
Other risk factors for a silent stroke are high blood pressure, heart disease,diabetes and tobacco use.
VOA: special.2009.08.12
Doctor Yusuf said the single pill, taken once a day, could reduce the average person's risk of heart disease and stroke by about half.
VOA: special.2009.04.08
"They found that men can experience up to a three-fold increased risk of stroke, and that risk seemed to be well correlated with the severity of sleep apnea."
VOA: special.2011.05.04
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