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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This test consists of 3 components, including a cognitive history, memory and orientation testing, and a neurologic screening. The sum of the 3 test card time scores constitutes the summary score for the entire test, the K-D time score. Address correspondence and reprint etst to Dr.

National Football League experiences with return to play after concussion. In fact, worsening by 5 seconds or more was a distinguishing characteristic noted only among the participants with head trauma.

DelicataMD, A. Reliability for K-D measurements prefight vs postfight was also excellent among participants who did not have jing-devick trauma during their match ICC 0. Gregory S, Bissinger B.

Testt window of metabolic brain vulnerability to concussion: Postfight K-D time scores were significantly higher worse for participants who had head trauma during the match Chronic traumatic brain injury in professional soccer players. MACE testing in this group was performed for all fighters in the cohort. To perform the K-D test, participants were 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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GalettaMS, J. Results of our study show that K-D test time scores have a high degree of test-retest reliability, with ICCs of 0.

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

While the manifestations of postconcussion syndrome are best captured by extensive testing king-deick 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. Neuropsychological impairment in amateur soccer players. The occult aftermath of boxing. Postfight time scores in this cohort of boxers and MMA fighters were greater worse postfight for participants who had head trauma during their match.

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

N Engl J Med ; Testing procedures for MMA fighters. However, there was no overlap in the distribution of changes in scores from prefight to postfight, with a substantial gap between the worst change in the no head trauma group and the best change in the head trauma group.

Statistical analysis was conducted by Dr. Evaluation of the Military Acute Concussion Evaluation for use in combat operations more than 12 hours after injury.

BranasPhD, M. Am J Optom Physiol Optics ; 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.

Changes in scores from prefight to postfight also reflected this pattern and showed more separation between those with and without head trauma than the postfight scores alone. Among boxers, the MACE test was given only to those with head trauma. Numbers of errors made in reading the test cards are also recorded; misspeaks on numbers are recorded as errors only if the subject does not immediately correct the mistake before going on to the next number.

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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.

The management of sports-related concussion: Curr Sports Med Rep ; 8: Assessment of metabolic brain damage and recovery following mild traumatic brain injury: Received Sep 21; Accepted Nov Injury that is coming to a head. With the exception of one participant, all fighters and boxers were men. Since our study cohort consisted of boxers and MMA fighters, head trauma that occurred was observable and overt. Data from this investigation demonstrate that the K-D test is an accurate and reliable method for identifying athletes with head trauma.

Neurometabolic changes in the acute phase after sports fest correlate with symptom severity. Sports-related concussion has received increasing attention as a cause of short- and long-term neurologic symptoms among athletes. Electrophysiological abnormalities in well functioning multiple concussed patients.

From the Departments of Neurology K. 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. J Neurotrauma ; Can J Neurol Sci ;

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