The diagnostic team initially struggles to find the cause, as her symptoms suggest a severe allergic reaction to something within her own body.

Meanwhile, Taub is dealing with his own domestic issues, including his wife's lack of trust following his history of infidelity. Key Episode Details Directed by Greg Yaitanes Written by Lawrence Kaplow Original Air Date March 15, 2010 Guest Star Karolina Wydra (as Abby Nash)

Through these visualizations, the team discovers that Abby has a hidden history. The ultimate diagnosis is revealed to be Schistosomiasis , a parasitic infection she contracted during a trip to the Middle East, which had reached her brain and lungs. The B-Plot: House and Wilson's Apartment

Parallel to the medical case, House and Wilson are navigating their new living arrangement.

When standard tests and treatments fail and her condition deteriorates, House decides to use an experimental "mind-mapping" technique to visualize Abby’s subconscious thoughts.

" Black Hole " is the 15th episode of the sixth season of the medical drama , which first aired on March 15, 2010. The episode centers on a complex medical case involving a teenage girl and a significant sub-plot concerning House and Wilson’s domestic life. The Medical Case: Abby Nash

The episode follows Abby Nash, a 17-year-old student who collapses and begins suffocating on her own blood during a school field trip to a planetarium.