This doesn't bode well for the Chicago Blackhawks.

Goaltender Corey Crawford has a head injury, a source told Mark Lazerus of the Chicago Sun-Times.

Crawford may be suffering from something similar to the vertigo symptoms that affected former Blackhawks forward Bryan Bickell last spring and summer, according to the report.

The team hasn't changed Crawford's day-to-day status and won't confirm the nature of the ailment beyond classifying it as an upper-body injury.

The netminder hasn't played or skated since allowing five goals in a loss to the Los Angeles Kings on March 14.

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