A crack. That could be a fracture; Cuddy hoped it wasn't his skull. She checked the rest of the patient's vitals and then focused her attention on her supplies, setting down the backboard and getting out the cervical collar. "I may need your help, Rob. Will the animals stay back on their own?" If they started getting in the way, it would make things that much harder and she wanted to make sure she didn't move Darcy until he was properly secured.