If the disc was in the air when the injury stoppage was called, play continues until either a player establishes possesion, or the disc hits the ground. If the injury is not the result of a foul by an opponent, the completion or turnover stands, and play restarts there after the stoppage.
If an injury is called while the disc is in the air, as a result of a serious injury, and players stop to care for the severely injured player, it is reasonable to treat this as a technical stoppage and allow the disc to be returned to the thrower.
If the disc was in the air when the injury stoppage was called, play continues until either the pass is caught, or the disc hits the ground. If the injury is not the result of a foul, the completion or turnover stands, and play restarts there after the stoppage.
If an injury is called while the disc is in the air, as a result of a serious injury, and players stop to care for the severely injured player, it is reasonable to treat this as a technical stoppage and allow the disc to be returned to the thrower.