He wakes up moments later suffering from Schizophasia, and is later diagnosed with both aphasia and dysgraphia, although it is clear that he believes he is speaking and writing normally.
There is an announcement that all flights are grounded and Stacy reveals she booked a hotel room just in case because she knew the storm was coming; she tells House they can share because of his leg.
House is being pressured by an airport security guard to board the plane but continues talking on the phone.
He concludes that Fletcher covered up his disorder while he is a journalist but tried to change for his wife, and underwent secret surgery (bilateral cingulotomy).
Foreman is shocked and upset because if anyone had actually looked at the blood and not just run it through a computer, Fletcher would've been diagnosed instantly.