On Thursday, the NHL did not visit any discipline upon the Blackhawks' Duncan Keith for his elbow to the head of the Canucks' Daniel Sedin one night earlier, but that doesn't mean the defenseman won't be iced sometime soon. Especially given that Sedin was flown back to Vancouver on Thursday for additional tests, according to TSN, with RDS in Canada later reporting that the winger suffered a concussion and will be sidelined for two weeks.