Never had to evacuate a room/building but when sons were younger, they were out biking and (older of the two) called saying, "Mom, ----'s been hit by a car" Yep, no feet dragging! Daughter grabbed EMT bag (she was in training) and we flew the few blocks to the location.
Son was ok; he had ridden out of a parking lot where bushes blocked the entrance and the little old lady driver didn't see him in time to stop. Fortunately she wasn't going fast. He was in the back of the ambulance being assessed when I arrived. Elderly lady is standing behind the ambulance shaking like a leaf--she probably needed to be checked too, honestly.
My older son told me later, "Mom, you had No Color in your face when you pulled up" and as a fair-skinned redhead, that's saying something!