The good news is that, at the moment, it seems like he’s OK.
The Anaheim Ducks announced that he skated on his own and will be involved in the team’s next practice:
That falls in line with some of the fall-out from the hit, as head coach Bruce Boudreau let out a relieved “thank goodness” at the young forward seemingly dodging a bullet.
Here’s video of the hit and the suspension decision:
Silfverberg, 24, enjoyed a nice breakout in 2014-15, especially during the playoffs.
Keep in mind that injuries can sometimes crop up later than expected, especially potential head injuries/concussions. Still, it seems like the initial reaction is that the damage was minimal.