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Title: What is the lowest threshold to make a diagnosis of concussion?
Austin Authors: McCrory, Paul;Meeuwisse, Willem H;Echemendia, Ruben J;Iverson, Grant L;Dvorák, Jirí;Kutcher, Jeffrey S
Affiliation: Florey Institute of Neuroscience and Mental Health, Heidelberg, Victoria 3084, Australia
Issue Date: 1-Apr-2013
Publication information: British Journal of Sports Medicine; 47(5): 268-71
Abstract: The purpose of this review is to examine the evidence for determining the lowest threshold for diagnosing a sport-related concussion.MEDLINE, CINAHL, EMBASE, Mosby's Index, PsycEXTRA, PsycINFO and Scopus. Key words included sports concussion, concussion assessment, diagnosis, concussion symptoms, onfield assessment and sports-related traumatic brain injury.The majority of concussions in sport occur without loss of consciousness or frank neurological signs. Some of the hallmark signs of acute concussion include mental confusion, memory and balance disturbance. Over the course of the first 24 h, the most common symptoms include headache, nausea, dizziness and balance problems, blurred vision or other visual disturbance, confusion, memory loss and 'fatigue'. Symptoms such as tiredness, irritability, nervousness or anxiety, sleep disturbance and sensitivity to light or noise may be noticed in the days after injury. The pathophysiology of sports concussion remains poorly understood. There appears to be a period of vulnerability following concussion in which an overlapping injury might cause magnified pathophysiology.Sport-related concussions can be difficult to diagnose. Concussion produces an evolving constellation of somatic, cognitive and neurobehavioral symptoms that are typically most severe during the earliest acute postinjury period (ie, within the first 24-48 h) and diminish over a matter of several days to weeks in the majority of athletes. Athletes suspected of concussion should be removed from play and evaluated thoroughly.
Gov't Doc #: 23479483
DOI: 10.1136/bjsports-2013-092247
Type: Journal Article
Subjects: Acute Disease
Athletic Injuries.diagnosis.etiology
Brain Concussion.diagnosis.etiology
Brain Diseases, Metabolic.diagnosis.etiology
Diagnosis, Differential
Glasgow Coma Scale
Memory Disorders.diagnosis.etiology
Nervous System Diseases.diagnosis.etiology
Self Report
Terminology as Topic
Appears in Collections:Journal articles

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