N-VAR If you suffer a concussion after a blow to your head, you lose consciousness or feel sick or confused. 脑震荡
Nicky was rushed to the hospital with a concussion.
尼基由于脑震荡被迅速送往了医院。
Concussions are a type of internal head injury that causes the temporary loss of normal brain function.
脑震荡是一种闭合性脑损伤，它会引起短暂的脑功能障碍。
Approval from the Food and Drug Administration will be required before this system can be used to diagnose concussions.
这个系统须先获得美国食品药品管理局的批准，才可以正式用语脑震荡诊断。
The special M.R.I. technique, known as diffusion tensor imaging, is also being studied to help improve the diagnosis of concussions.
这种特殊形式的核磁共振成像技术被称为弥散张量成像，对这种技术的也用来提高诊断脑震荡的精确度。
Earlier this year, the British Journal of Sports Medicine published new guidelines for concussions in children and teens.
VOA: special.2009.10.28
Concussions can be mild, but doctors may order a CT scan to look for a more serious injury.
VOA: special.2009.10.28
But professionals are not the only ones getting concussions.
VOA: special.2009.10.28
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