Many conditions such as the bulbar type of poliomyelitis concussion of the brain facture of the skull or certain types of neck fractures may entirely stop respiration.

许多情况，如延脑型脊髓灰白质炎、脑震荡、颅骨骨折以及某些类型的颈椎骨折，均能造成呼吸完全停止。

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Although a single concussion does not appear to result in structural brain damage or swelling of the brain, repeated concussions can cause both.

尽管一次脑震荡不会导致大脑结构性损伤或导致脑水肿，但是数次脑震荡可能引起上述两种情况同时出现。

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Objectives: To evaluate the diagnostic value of electroencephalogram in the prognosis of concussion of brain.

目的：探讨脑电图对脑震荡预后的诊断价值。

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Newly released AAN (American Academy of Neurology) guidelines earlier this week to manage sports-related concussions recommend trainers, coaches and physicians to err on the side of caution and remove athletes from play in the setting of a possible traumatic brain injury or concussion.

FORBES: Safety Prevails -- In Updated Guidelines To Manage Concussions