Not sure if this could amount to practical help for anyone out there (I'm assuming you're not all professional athletes), but something to consider anyway...

Yesterday, the Boston Herald reported the status of two Boston Bruin players suffering from PCS:
http://www.bostonherald.com/sports/h...71635&srvc=rss

Info on treatment they are talking about can be found at:
http://www.buffalo.edu/reporter/vol3...oncussion.html