When Dr. McCann is in the morgue, the slide on her gun changes between being open and closed.
Dr. Matar says the AMA took away his medical license but that action can only be taken by the state that issued it.
Sgt. Ross is unconscious from being drugged. When Dr. Hendricks moves Sgt. Ross to the sink to awake him, his eyes open momentarily before the water is run to revive him.
When Dr Matar is locked up in the penitentiary in the bed with the IV, there's a machine nearby measuring something with beeps; presumably his heart-rate, as it speeds up in the scuffle in the next scene. However, the beeping continues, even after he's disconnected himself from everything.