The House M.D. season 4 finale centered on Amber Volakis’s medical crisis is “Wilson’s Heart.”
The episode follows the aftermath of a bus accident and the effort to determine what caused Amber’s rapidly worsening condition. Amber’s illness also becomes inseparable from Dr. James Wilson’s personal life, making the episode both a diagnostic mystery and a major emotional turning point for the characters.
“Wilson’s Heart” was broadcast as the second part of a two-episode story. It follows “House’s Head,” which begins with House trying to reconstruct events surrounding the accident. Watching the two episodes together helps explain why the finale’s title emphasizes Wilson rather than simply naming the patient.
Amber Volakis, played by Anne Dudek, had been introduced as one of the applicants competing for a place on House’s team. The storyline is often remembered for its medical and emotional consequences, but the exact episode title is “Wilson’s Heart,” including the apostrophe.