When Barbara yelled 'get down', Amadeus immediately hit the floor and covered his head with his arms. I'm gonna die... I'm gonna die... I'm gonna die..." he could help thinking. But the gunfire stopped and he lifted his head enough to see that their attacker was gone. He sighed in relief, got to his knees, and look a good look at the arm of the chair.
"Okay, don't move!" Amadeus stared at it for a long moment as he ran the calculations in his head. He kicked it in what he believed to be the correct spot and grinned as the wood cracked. "There we go! One makeshift splint!"