It's called the golden hour, and it refers to the precious minutes after a person has a stroke. For every hour after this period that treatment is delayed, the chance of recovery for the patient is lessened.  

This is why it's incredibly important for a stroke sufferer to get medical attention as soon as possible after the incident. Health organizations have ramped up campaigns to help the citizens and emergency medical professionals recognize the signs of a stroke quickly so that patients can get treatment as soon as possible.  

To speed up the diagnosis, a team of researchers from Sweden's Chalmers University of Technology, Sahlgrenska Academy and Sahlgrenska University Hospital, have created a device that they hope will help ambulance crews detect stroke while en route to the hospital, according to BBC News.

The device, which the researchers are calling 'StrokeFinder,' looks like a helmet, with an array of 12 antennas arranged around it. One by one, each of these antenna transmit a low-strength microwave signal while the other 11 detect the changes that occurred while the signal passed through the brain. Within a few seconds, the helmet can then analyze the patterns to detect cranial bleeding.  

Researchers tested the device in a small study of 45 patients and found that its results were compatible with those from hospital CT scans — the current method used to detect a stroke. But the hope is that this device could be made inexpensively and be portable enough that ambulance crews could keep it stocked on board, significantly reducing the time to diagnosis and helping stroke patients receive faster treatment.

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