Matthew Perry died from 'acute effects of ketamine' and drowning, toxicology report finds

• Matthew Perry's death was caused by drowning and ketamine, the LA County coroner said.
• The 54-year-old was found dead in a hot tub at his Los Angeles home in October. 
• The manner of the "Friends" actor's death was ruled an accident, according to the coroner. 

Matthew Perry's death was ruled an accident, with the cause being the effects of ketamine, according to the Los Angeles County Coroner's Office.