Rodolphus was trying to process the fact that his arm was missing, even as his brain was still sending messages to the appendage. The blood flowing freely was making him delirious, even as he felt colder.
He grasped the front of Bella's robes tightly, and pulled her to him. "Get us home," he said, not needing to tell her what to do, but feeling as if he still needed to be in charge of something about this situation.
She fumbled and her portkey didn't work. He had another in his robes - with Bella in her condition it was only prudent. "In my robes," he managed to say, trying to ward off the unconsciousness that was swimming at the corner of his eyes.