When the seven year old gun shot victim comes in, Carter asks for a pair of sterile gloves but he's already wearing gloves.
When Cleo is talking to Mrs. Kottmeier about how bad her son's injuries are, Mrs. Kottmeier has a cigarette in her hand and her hand changes position on the cigarette in between shots.
When Dr. Kovach is examining Chad, he is checking his pupils. He says that the pupils are equal and reactive as he is checking the first eye, and hadn't even looked at his other eye.