There's a whiteboard in the standard car now with a single black dry-erase marker. It probably? Wasn't? There? Before? But it seems like it's always been there.

Also Ronan keeps leaving things in Medical which similarly weren't there before and seem like they've always been there. Among them: odd tins of salve labeled things like "for your hands" or "for your burns" and a mysterious bottle that's simply labeled "Ronan."