concussion

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Related to commotio: commotio retinae, Commotio cerebri

concussion

a jarring of the brain, caused by a blow or a fall, usually resulting in loss of consciousness

concussion

[kən′kəsh·ən]
(engineering)
Shock waves in the air caused by an explosion underground or at the surface or by a heavy blow directly to the ground surface during excavation, quarrying, or blasting operations.
(medicine)
A state of shock following traumatic injury, especially cerebral trauma, in which there is temporary functional impairment without physical evidence of damage to impaired tissues.
References in periodicals archive ?
Initial examination revealed visual acuity of 1/60 in left eye with relative afferent pupillary defect (RAPD), commotio retinae and vitreous hemorrhage.
If this is the case, then blocking [I.sub.Ca,L] prior to chest wall impact should reduce the incidence of VF in commotio cordis.
Commotio cordis: sudden death in a young hockey player.
Rarer is the occurrence of Commotio Cordis, in which a young player receives a direct hit from a ball to the anterior chest wall, causing cardiac arrest.
Commotio cordis is blunt trauma over the anterior chest wall that can induce VF.
Global epidemiology and demographics of commotio cordis.
It may be that Israeli athletes die from causes such as Marfan's Syndrome, anomalous coronary arteries, catecholamine related arrhythmias, or commotio cordis, which would not be detected by a resting ECG.
Michael died of commotio cordis - he went into cardiac arrest after being hit hard in the chest after a catch.
Commotio (Society for the Publication of Danish Music, 1932) (15)
d md Emmerd (7.00pm Maisie and distracted passionate commotio Faye and N and the pa the agonis tries to ma christening e dale m) d Ryan are from their e embrace by the n between Mark, Natasha downstairs, air soon discover sing truth.
Emmer (7.00p Maisie an distracted passiona commotio Faye and and the p the agoni tries to m christenin rdale m) nd Ryan are d from their te embrace by the on between Mark, Natasha downstairs, pair soon discover ising truth.