Concussion in children

Concussion of brain refers to a transient, reversible loss of brain function that occurs immediately after injury without perceptible damage to the structure of the brain tissue, although the time for loss of consciousness has been defined as ldquo; transient rdquo; However, the exact time is still controversial. Some scholars believe that the loss of consciousness should last for a few seconds or minutes, and most believe that the loss of consciousness is within half an hour.