Anne Heche's cause of death has been revealed after she was declared "brain dead" by doctors last week.MORE: Anne Heche's family asks for prayers as she remains hospitalized following fiery car crashThe actress and ex-girlfriend of Ellen DeGeneres died from "smoke inhalation and thermal injuries," according to the Los Angeles County Medical Examiner-Coroner.
Her death has been ruled an accident. The 53-year-old also had a fractured sternum caused by "blunt trauma" which the coroner cited as a "significant condition" contributing to her passing.WATCH: Stars gone too soon Anne suffered severe injuries after crashing her Mini Cooper into a house earlier this month.
The car and home burst into flames leaving the actress with severe burns. No one else was injured.Anne was placed on an incubator following the crash and did not regain consciousness.
Last week, her family made the difficult decision to take her off life support after any viable organs could be donated.MORE: Anne Heche in critical condition following explosive and shocking car crash in Los AngelesTOUR: Inside Anne Heche's ex Ellen DeGeneres incredible mega-mansionThe coroner’s office listed her date of death as August 11, the day she was declared brain dead at the Grossman Burn Center at West Hills Hospital and Medical Center.
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