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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Mild traumatic brain injury: Br J Sports Med ; 43 suppl 1: Association between recurrent concussion and late-life cognitive impairment in retired professional football players. For purposes of determining test-retest reliability of precompetition K-D scores, all boxers were tested twice within a minute period before their sparring session by the same examiners. GalettaMD, and L.

Demonstration and test cards for the King-devicj K-D Test, a candidate rapid sideline screening for concussion based on measurement of speed of rapid number naming To perform tst 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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J Forensic Nurs ; 6: National Football League experiences with return to twst after concussion. Consensus statement on concussion in sport: AllenOD, F. Box plots show the distributions of postfight King-Devick K-D time scores and changes in scores from prefight to postfight in participants with vs without head trauma or loss of consciousness LOC The lines in the box represent the medians, and boxes delineate the interquartile range 25th—75th percentiles.

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Temporal window of metabolic brain vulnerability to concussion: This finding suggests that K-D measurements are stable over king-devock short term in the absence of intervening concussion. Ongoing large-scale longitudinal studies of collegiate athletes are examining the relation of K-D test scores and changes in scores over the course of a season with ImPACT and other formal cognitive testing.

School sport kjng-devick draw national attention as more states draft return-to-play laws. J Neurol Neurosurg Psychiatry ; Results of our study show that K-D test time scores have a high degree of test-retest reliability, with ICCs of 0.

Worsening of K-D scores in this setting might be helpful for kinb-devick if a meaningful head blow has taken place. However, both of the participants who made errors were boxers who had head trauma.

We investigated the K-D test as a potential rapid sideline screening for concussion in a cohort of boxers twst mixed martial arts fighters. Protocols for K-D testing were the same as those used for the boxers described above.

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.

Mil Med ; Statistical analyses were performed using Stata Testing procedures for boxers. Prefight K-D scores were similar across groups, with slightly lower mean time scores noted for the second prefight testing session table 2.

From the Departments of Neurology K. This article has been cited by other articles in PMC. Author information Article notes Copyright and License information Disclaimer. Curr Sports Med Rep ; 8: The lines in the box represent the medians, and boxes delineate the interquartile range 25th—75th percentiles.

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

TennantEdD, C. This test king-devkck of 3 components, including a cognitive history, memory and orientation testing, and a neurologic screening.

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In another study, early eye movement function at 1 week was shown to predict development of postconcussion syndrome. Neurometabolic changes in the acute phase after sports concussions correlate with symptom severity.

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

Test-retest reliability was estimated for 2 prefight K-D test measurements by the intraclass correlation coefficient ICC ; ICCs were also used to examine agreement between prefight and postfight scores among participants without head trauma. Risk of injury associated with body checking among youth ice hockey players.

The King-Devick K-D test is based on measurement tesh the speed of rapid number naming. Can J Neurol Sci ; Table 1 Characteristics of boxers and mixed martial arts fighters. 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. 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.

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.