KING DEVICK CONCUSSION TEST PDF

Demonstration and test cards for the King–Devick (K–D) Test: a rapid sideline screening tool for sports-related concussion based on the time to perform rapid. Background The King-Devick (KD) test is an objective clinical test of eye movements that has been used to screen for concussion. A rapid, cost-effective, and reliable tool that facilitates diagnosis of concussion is needed. The King-Devick (K-D) test is a vision-based tool of rapid number.

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Curr Sports Med Rep ; 8: In other sports such as football, closed head injury and concussion could occur in the context of plays involving many individuals, and head trauma may not be as readily detected. Boxers who sustained head trauma during their fight were given the Doncussion test immediately after the sparring session followed by the K-D test.

New Research Questions Accuracy Of King Devick Test As Sideline Concussion Screening Tool

Vision testing is additive to the sideline assessment of sports-related concussion. All athletes who sustained a concussion during the playing season exhibited defects in their sideline K—D tests. The occult aftermath of boxing. The management of sports-related concussion: Occurrence of oculomotor dysfunctions in acquired brain injury: Concussions among university football and soccer players.

Baseline K—D times for all athletes were established during pre-season physical exams with multiple individuals being testing simultaneously in a noisy training room environment. This finding suggests that K-D measurements are stable over the short term in the absence of intervening concussion. The sum of the 3 test card time scores constituted the summary score for the entire test, the K-D time score.

A new approach to predicting postconcussion syndrome after mild traumatic brain injury based upon eye movement function.

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Among boxers, the MACE test was given only to those with head trauma. The line within the box defines the median value. Numbers of errors made in reading the test cards were recorded. These two athletes showed worsening on their sideline K—D test 1. BranasPhD, M.

Posted by Jeffrey S. Author information Article notes Copyright and License information Disclaimer. This may also have played a role in the disparity between average worsening among studies as previous work has shown that gender may be a risk factor for injury and may influence injury severity.

Brain Epub Aug 23 [ PubMed ]. These involve integration of functions of the brainstem, cerebellum, and cerebral cortex and defick shown to correlate with suboptimal brain function.

The test is administered once using the same instructions and the time and errors are recorded and then compared to concusison subject’s baseline. Consensus statement on concussion in sport: Fighters were tested on the day before the MMA event at the time of their weigh-ins. ARVO E-abstract and hockey.

Correlations between postfight MACE scores as a continuous variable and K-D scores were also strong, thus providing preliminary evidence that K-D test scores reflect more global aspects of cognitive function in the setting devici acute mild closed head injury and concussion. Curr Neurol Neurosci Rep.

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

Dveick studies have included boxers and MMA fighters 23 who were observed to have sustained obvious head trauma. 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 convussion the best change in the head trauma group.

After suspected head trauma, the athlete is given the test, which takes about two minutes, and the results are compared to a baseline test administered previously. The results of this study further validate the K—D test as an accurate, reliable and rapid sideline tool that provides supportive evidence of a concussive event to help objectively identify athletes with concussion and assist with removing from play decisions.

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The K—D test cnocussion one demonstration card and three test cards that vary in format Fig. Epidemiology of concussion in collegiate and high school concussiln players. This test requires 15—20 minutes.

Messner reports no disclosures. See commentary ” Sideline assessment of sports concussion: In an effort to bring awareness and increase concussion screening, Mayo Clinic has agreed to a licensing agreement with King-Devick Test Inc. Brain Inj ; All concussed athletes, with the exception of two, concsusion sideline SCAT2 testing.

Box plots show the median K—D scores of baseline compared to sideline, post-workout and post-season testing. The numbers of errors were very few, with one participant making 2 errors and another one error on postfight testing.

Those with loss of consciousness showed the greatest worsening from prefight to postfight. Data from this investigation demonstrate that the K-D test is an accurate and reliable method for identifying athletes with head trauma. Concussion assessment and concsusion. Postfight K-D time scores were significantly higher worse for participants who had head trauma during the match A study reporting on collegiate athletes showed return to baseline within one week following the concussive event, 24 whereas an investigation of rugby athletes 25 showed more variation ranging from one week to beyond 21 days in some athletes in the amount of time elapsed before concussed athletes returned to their established baseline.