A girl (patient) begins to swell drastically in her appendages. The camera focuses on her hands being quite swollen before the girl falls to the ground. As she hits the ground, the camera shot shows her hands exhibiting no swelling and completely normal.
After delivering the paper at the conference, when Wilson and House are arguing on the patio, House's shirt collar is alternately inside the collar of his jacket and outside the jacket as House moves around the patio.
This is supposed to be in the fall but looking at the light green leaves in the outdoor footage it looks more like spring.
On the '10 Nation Tour' poster in the opening shot, Sydney is misspelt.
House claims that, "Almost no one has Hemochromatosis" but he should already know that this occurs in about 1 in 300 people (from google in 2020). While 1 in 300 is .33% this is still far above a rate that would be "almost no one."
When the patient has a cardiac incident, Foreman administers CPR, but it's obvious that he's not actually pressing down on her chest at all and is simply shrugging his shoulders to make his elbows move and emulate compressing the chest.