Which character dies in the House M.D. episode “Wilson's Heart”?

Amber Volakis dies in the House M.D. episode “Wilson's Heart.”

Amber, played by Anne Dudek, is critically poisoned after taking amantadine and later being involved in a bus accident with Gregory House. The episode follows House's fragmented attempt to reconstruct what happened while doctors search for a way to save her.

“Wilson's Heart” is the second part of a two-episode storyline that begins with “House's Head.” Amber's death has major consequences for James Wilson and for House's understanding of responsibility. Amber is sometimes confused with Remy “Thirteen” Hadley, another female doctor on House's team, but the dying patient in this storyline is Amber Volakis.