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 ?
1998) Commotio cordis: cardiovascular manifestations of a rare survivor.
Bonaventure is not clear as to whether anger is illicit qua commotio, or whether sinful anger is simply a commotio that is against the person and therefore vicious anger.
Data collected since 1995 by the National Commotio Cordis Registry at the Minneapolis Heart Institute Foundation (MHIF) show that 33 of 85 competitive athletes suffered fatal chest blow events despite wearing potentially protective equipment.
Usually seen in sport, commotio cordis is triggered by a moderate blow to the chest which disrupts the heart beat.
Objectives: To discuss the entity, commotio cordis, and differential diagnosis of arrhythmias in the setting of commotio cordis.
A medical term for a rare disruption of the heart's electrical system, commotio cordis is caused by a blow to the chest directly over the heart, which occurs between heart contractions, leading to sudden cardiac arrest.
They hope to eliminate fatalities due to commotio cordis.
This festival brought so many goodies, including performances of all six Nielsen symphonies, but most memorable for me was Symphony Hall's morning concert devoted to the late Nielsen: the Three Motets from Ebbe Munk's remarkable Copenhagen Royal Chapelle Choir, the Three Piano Pieces stunningly performed by Anne-Marie Abilskov, and the hair-raising Commotio, veteran organist Grethe Krogh putting the new instrument triumphantly through its paces.
Six years ago, these same researchers published a preliminary report suggesting that this tragic occurrence--called by its Latin name commotio cordis, or chaotic heart--can result when baseball players are struck in the chest by a ball.
The phenomenon is known as commotio cordis, or concussion of the heart.
The majority of cases of commotio cordis - a sudden cardiac event occurring after a blow to the chest - happen during youth or high school competitive sports, such as baseball or football.