At the very end, as Alfredo is examining his bandaged wrist, the bandage movement isn't perfectly in sync with his arm movement, revealing the use of CGI.
When House is in Cuddy's bedroom, the bed is made meticulously, however it is clear someone has sat on it. If Cuddy had sat on it to put on shoes or something, she would have smoothed it out, with the detail that the bed was made shows that. They had to take that sequence at least twice.