The wrestling star was suffering an enlarged heart and authorities believe he had a cardiac episode while behind the wheel, causing him to lose control and leading to his fatal accident in Tampa, Florida, last month.
The Pinellas County Medical Examiner has ruled the wrestler - best known by his ring name `Macho Man` - died of natural causes, specifically, artherosclerotic cardiovascular disease, better known as coronary artery disease.
A toxicology report concluded there were traces of caffeine and drugs found in cough syrup and sleep aids in his system, but not at levels which suggested they were overused or abused. Similarly, Randy`s blood alcohol level was far below the legal limit and not a factor in the crash. There was no evidence of the wrestler taking medication for a heart condition, meaning he may not have known he had it.
Randy was laid to rest and his ashes spread at the base of a tree at his home, also in Florida, in accordance with his last request earlier this month.
Paying tribute, fellow wrestling star Hulk Hogan said: "I`m completely devastated. He had so much life in his eyes and in his spirit, I just pray that he`s happy and in a better place and we miss him." heart when he died, a coroner has found.