KING-DEVICK TEST PDF

Background The King-Devick (KD) test is an objective clinical test of eye movements that has been used to screen for concussion. , King-Devick Test. Patent-Pending. All Rights Reserved. Mayo and Mayo Clinic are registered trademarks owned by Mayo Foundation for. King-Devick Test identifies real-time concussion and asymptomatic concussion in youth athletes. Priya S. Dhawan, Danielle Leong, Lisa Tapsell, Amaal J.

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Symptoms of king-devuck concussion are typically quite subtle and may go unnoticed or overlooked by the athlete, team medical staff, or coaches. Results of this study demonstrate that the K-D test is an accurate and reliable method for identifying athletes with head trauma, and is a strong candidate as a rapid sideline screening test for concussion. Going to the max protect: Because the K-D test captures many aspects of function, including subcortical subconscious pathways that extend beyond eye movements, this test may help coaches and trainers with game decisions regarding removal of a player who may have been concussed.

The postfight K-D score distributions showed some overlap between the groups with and tesf head trauma figure 2.

The King-Devick test as a determinant of head trauma and concussion in boxers and MMA fighters

Support Center Support Center. Another important aspect of evaluating a potential screening test is the correlation of scores with an established king-devickk of tests that measure the construct under study.

Mild traumatic brain injury: Written informed consent was obtained from all participants and principles outlined in the Declaration of Helsinki were followed. Investigating baseline neurocognitive performance between male and female athletes with a history of multiple concussion. Since our study cohort consisted of boxers and MMA fighters, head trauma that occurred was observable and overt. Protocols for K-D testing were the same as those used for the boxers described above.

Demonstration and test cards for the King-Devick K-D Test, a candidate rapid sideline screening for concussion based on measurement of speed of rapid number naming To perform the K-D test, participants are asked to read the numbers on each card from left to right as quickly as possible but without making any errors.

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Received Sep 21; Accepted Nov Arch Neurol ; From the Departments of Neurology K. Return-to-play criteria after athletic concussion: The numbers of errors were very few, with one participant making 2 errors and another one error on postfight testing.

Am J Sports Med ; Association between recurrent concussion and late-life cognitive impairment in retired professional football players. Mil Med ; The K-D test is based on measurement of the speed of rapid number naming.

Electrophysiological abnormalities in well functioning multiple concussed patients. Standardized instructions are used, and the iing-devick requires less than 2 minutes to administer. We investigated the K-D test as a potential rapid sideline screening for concussion in a cohort of boxers and mixed martial arts fighters. Prospective studies of collegiate athletes that are ongoing at the University of Pennsylvania will establish large-scale K-D test norms and expected king-devicj of precompetition scores for this age group, and will further investigate the capacity for K-D scores to capture closed head injury and concussion.

IHSA has new concussion rule, but some critics demand more. Open in a separate window. Wall Street Journal The King-Devick K-D test is based on measurement of the speed of rapid number naming reading aloud single-digit numbers from 3 test cardsand captures impairment of eye movements, attention, language, and other correlates of king-dwvick brain function.

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MaguirePhD, L. Alzheimers Res Ther ; 2: To the extent that the K-D test captures saccadic eye movements among other important elements kinf-devick rapid number naming, these data suggest that this quick screening test will king-devock helpful in identifying athletes with signs of concussion. Boxers are at high risk for concussion and for more long-term manifestations of CTE, formerly termed dementia pugilistica.

The K-D test is an accurate and reliable method for identifying athletes with head trauma, and is a strong candidate rapid sideline screening test for concussion. The K-D test represents a strong candidate rapid sideline screening test for concussion, and has particular relevance to contact sports including football, soccer, hockey, MMA, and boxing. AllenOD, F.

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The King-Devick test as a determinant of head trauma and concussion in boxers and MMA fighters

Risk of injury associated with body checking among youth hest hockey players. To perform the K-D test, participants are asked to read the numbers on each card from left to right as quickly as possible but without making any errors. Table 1 Characteristics of boxers and mixed martial arts fighters.

Postfight time scores in this cohort of boxers and MMA fighters were greater worse postfight for participants who had head trauma during their match.

Can J Neurol Sci ; As king-eevick in table 1the lower limit of the range of worsening of K-D time scores for participants with head trauma was 5.

Differences in postfight K-D time scores and changes in scores from prefight to postfight were compared for participants with head trauma during the fight vs those without using the Wilcoxon rank sum test with exact variances.

Statistical analysis was conducted by Dr. Injury rates and risk factors in competitive professional boxing. The K-D test ,ing-devick administered prefight and postfight. We investigated the K-D test as a potential rapid sideline screening for concussion in a cohort of boxers and mixed martial arts Kinh-devick fighters.

While the manifestations of postconcussion syndrome are best captured by extensive testing batteries such as ImPACT, 37 and may be influenced by intellectual ability or depression, tests of rapid number naming such as K-D represent an objective measure. Author information Article notes Copyright and License information Disclaimer. Statistical analyses were performed using Stata