Cause of death of Chris Pratt's stunt double Tony McFarr announced

Tony McFarr — a stuntman who acted as a double for major Hollywood stars such as Chris Pratt – died of a heart problem probably caused by acute alcohol poisoning as a result of long-term heavy drinking.

In new documents obtained by TMZ, the Orange County Medical Examiner in Florida officially stated that Tony's death was due to an irregular heartbeat caused by a problem with his heart valves.

According to the coroner, Tony's death was caused by alcohol poisoning and chronic obstructive pulmonary disease (COPD), a common lung disease that restricts airflow and causes breathing problems.

According to Tony's autopsy, he had a history of alcohol abuse… and there is information about his blood alcohol level upon examination… the medical examiner records a concentration of 0.29 percent. For reference, in most states the blood alcohol limit for driving is 0.08 percent.

TMZ uncovered the story… Tony died in Mayand his mother donna told us her son's death was unexpected and shocking.

The coroner says the daredevil was found dead in his home, and it sounds like he had been there for a while because his body was already decomposing.

The coroner officially classifies his death as an accident. Tony was only 47 years old.