“Our meta-analysis found that if an athlete had a worsening in their time compared to their baseline reading, they were five times more likely to have sustained a concussion,” Balcer said. “The King-Devick test showed a sensitivity of 86% and specificity of 90% in over 100 patients that had concussion and were formally tested on the sidelines.”
- Aug 4 2015
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Among the 397 students studied, nine were diagnosed with serious concussions and two were not able to return to play during the season. Based on these results the research team determined that the K-D Test is a reliable tool to help trainers and coaches to quickly determine if a player has suffered a concussion.
- Mar 31 2015
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The King-Devick Test is one method Clugston and his team have used since 2011. The test is a two-minute challenge that requires an athlete to read single-digit numbers displayed on cards or on an iPad. UF collects baseline data for the King-Devick Test as with all of its concussion tests, and if an athlete is suspected of suffering head trauma, he or she is re-tested. If the time needed to complete the test is any longer than their baseline result, the athlete is removed from play and further evaluated.
- Aug 4 2014
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The King-Devick test may be a more objective and accurate method for sideline evaluation of sports-related concussion than the Standardized Concussion Assessment Tool 3 (SCAT3), which is the current standard, according to research reported at the 56th Annual Scientific Meeting of the American Headache Society.
- Jun 5 2014
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“Given the many brain pathways involved in concussion, we think that a combination of cognitive, balance and vision tests may be best to improve diagnosis of concussion in athletes,” says Laura Balcer, MD, Fellow of AAN, professor and vice chair of neurology at New York University Langone Medical Center.
- May 12 2014
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“The King-Devick test represents a rapid, accurate, and cost-effective tool to identify concussion on the sideline and make appropriate game-time, remove-from-play decisions,” Dr. Amaal Starling says.
- Feb 26 2014
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The study provides more evidence that the King-Devick test, a one-minute test where athletes read single-digit numbers on index cards, can be used in addition to other tests to increase the accuracy in diagnosing concussion.
- Nov 15 2013
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“Right now, these tests — King-Devick, SCAT2, balance, computerized assessment — are considered the standard of care, or the best procedure, for diagnosing concussions,” head Notre Dame University Physician Dr. Jim Moriarty said. “The key for us is if you’re a physician on the sidelines, you’d like to know the tests you’re running are reliable. There are symptoms that confirm concussions, but most people don’t have that. Most people have the lesser symptoms which cause you to have doubts whether you’re making the right choice or not.”