Bruins goaltenderJonas Gustav sonwas forced to leave Tuesday's 6-2 lo s to the Ducks after one periodbecause of an unspecifiedillne s that required hospitalization. Gustav son, who started in net in place of normal starter Tuuka Rask, played the entire first period but was replaced by Raskafter intermi sion. The Bruins during the second period thatGustav son was ill and takentoMa Jonathan Ornelas Jersey sachusetts General Hospital for observation.No further update on his condition was provided after the game. MORE: | Before exiting,Gustav sonallowed two goals on 16 shots. Hehad won four of his previous five starts, including a shootout victory Saturday over the Blue Jackets when he filled in forRask, who was a late scratch. Bruins coach Claude Julien said after thatgame that Rask "wasnt 100 percent nothing major." Rask took the lo s Tuesday, surrendering three goals on 20 shots. Brett Martin Jersey