Psychiatrist REACTS to that FINAL SCENE in The Pitt Season 2 Episode 2

I just finished watching The Pitt Season 2 Episode 2 and wanted to comment on this particular scene that stood out to me. What could be going on with this screaming college student psychiatrically? What might be the diagnosis or the cause, and what could 2901 mean? Let's examine the scene. What do you think?