Fidelity (aka: Truth or Consequences) - S1-E7
Factual error: House rules out Lyme disease from being the cause of the sickness, since he says Lyme disease presents with a rash, which the husband would have noticed. However, although a rash is a common symptom of Lyme disease, it is by no means universal. Estimates suggest that around one-third of people with the disease don't exhibit that symptom. Doctors wouldn't therefore rule out Lyme disease solely in the absence of a rash. (00:10:25)

Fidelity (aka: Truth or Consequences) - S1-E7
Continuity mistake: Elise, the patient, goes into a coma. The various tubes connected to her are on the left side of her head in shots from the side and are underneath her chin in other shots. (00:28:20)
Answer: It comes from the phrase "Everything but the kitchen sink." He's saying that House has thought of "everything but the kitchen sink."
Garlonuss ★