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1 .This is Scientific American 60-Second Health. I'm Wayt Gibbs. Got a minute?
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2 .When a person suffers a stroke quick treatment is crucial.
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3 .But there are two very different kinds of strokes:
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4 .some result from blood clots that block circulation within the brain,
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5 .others are caused by ruptured vessels that spill blood into surrounding tissue.
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6 .The use of clot-busting drugs when a hemorrhage is happening can cause additional injury or death.
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7 .So doctors lose precious time waiting for stroke victims to get MRIs or CAT scans before they start treatment.
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8 .But soon EMT's might be able to quickly tell whether patients have a blockage or a bleed by having them wear a high-tech helmet.
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9 .Researchers at Chalmers University of Technology in Gothenburg, Sweden developed the prototype helmet and tested it on 45 stroke patients.
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10 .The gadget covers the head with a patchwork of antennas.
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11 .As each antenna beams low-intensity microwaves through the head in sequence, the other antennas detect how the waves scatter.
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12 .Any pooling blood from a hemorrhage causes deflections easily spotted on an attached computer.
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13 .The research is in the IEEE Transactions on Biomedical Engineering.
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14 .Trials using mobile stroke helmets in ambulances are scheduled to start in the fall.
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15 .As with proper treatment, the sooner the better.
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16 .Thanks for the minute, for Scientific American 60-Second Health.I'm Wayt Gibbs.
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