Matthew Perrys cause of death has been revealed.
Ketamine is sometimes prescribed to treat depression and is also used as a recreational drug.
The medical examiner concluded that the ketamine resulted in cardiovascular overstimulation and respiratory depression.
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Perry wasfound dead at his homeon October 28.
First responders were called to the scene for a cardiac arrest and found the 54-year-old in his jacuzzi.
At the time no foul play was suspected, and no drugs were found at the pool area.
Matthew Perry had been open about his struggle with drug addiction throughout his decades-long career.
PerPeople, the medical examiner noted that Perry had been sober for 19 months prior to his death.
She spoke about her late friend for the first time.
