| 单词 | Brain Concussions |
| 释义 | Brain Concussions《英文msh词典》Brain Concussions [入口词] Brain Concussions [主题词] Brain Concussion [英文释义] A nonspecific term used to describe transient alterations or loss of consciousness following closed head injuries. The duration of UNCONSCIOUSNESS generally lasts a few seconds,but may persist for several hours. Concussions may be classified as mild,intermediate,and severe. Prolonged periods of unconsciousness (often defined as greater than 6 hours in duration) may be referred to as post-traumatic coma (COMA,POST-HEAD INJURY). (From Rowland,Merritt's Textbook of Neurology,9th ed,p418) |
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