Ron Ely — star of the Sixties TV present — “Tarzan” died from a coronary heart subject … TMZ has realized.

In response to the dying certificates, obtained by TMZ, Ron’s official reason for dying is listed as “end-stage coronary heart illness.”

Finish-stage coronary heart illness is probably the most extreme type of coronary heart illness, occurring when the center is just too weak to pump blood successfully, and sufferers with the illness typically solely stay 6 to 12 months … in accordance with Massachusetts Common Hospital.

The dying certificates provides a nod to Ron’s Hollywood profession … noting he spent 30 years within the leisure enterprise.

Along with enjoying “Tarzan” on TV, Ron had performing credit on “Marvel Lady,” “The Love Boat,” “L.A. Regulation,” “Doc Savage: The Man of Bronze,” “The Good friend Who Walked the West,” and a number of different ‘Tarzan’ initiatives.

As we reported … Ron’s daughter introduced his dying again in October, saying he died peacefully September 29 in his house, surrounded by household.

The dying certificates says Ron died at 7:04 PM and his physique has since been cremated.