LOS ANGELES — Missouri officials have determined the official cause of death for "Days of Our Lives" actor Robert Kelker-Kelly, who died this month at age 62.

Kelker-Kelly died of arteriosclerotic heart disease, the St. Charles county regional medical examiner of Missouri confirmed to The Times. The actor's death was deemed natural. Arteriosclerosis occurs when blood vessels carrying oxygen and nutrients from the heart to the body become thick and stiff, according to the Mayo Clinic. The coroner's report confirms details previously disclosed by law enforcement and emergency personnel.

The actor, who worked as a pilot later in life, died Oct. 3 after he complained of chest pain and became unresponsive, police confirmed earlier this month. Officers reported with paramedics to the actor's home for a report of an unconscious man who was not breathing.

"Life-saving measures were administered but were unsuccessful," police said.

Kelker-Kelly's wife, Allison Kelly, informed authorities the actor complained of pain in his left arm and chest while on the drive home from Spirit Airport, People reported. The actor asked his wife to pull the car over to vomit and said he did not need to go to the hospital. He reportedly continued experiencing pain at home. Kelly found her husband unresponsive, alerted authorities and administered CPR.

Kelker-Kelly was best known for his work in long-running daytime dramas "Another World" and "Days of Our Lives," where he portrayed the rebellious heartthrob Beauregard "Bo" Brady from 1992 to 1995. He began his turn as Bo, which lasted for more than 586 episodes, following the departure of original actor Peter Reckell, who would return to the show off and on in the following decades.

He debuted in "Another World" in 1987 and appeared in more than 400 episodes in a handful of roles until 1998, according to the actor's IMDb page. He was also known for his work as Stavros Cassadine in "General Hospital" and its spinoff series "Port Charles." Kelker-Kelly's "General Hospital" tenure lasted from 2001 to 2014 and was his final TV role. His television credits also include "Jack's Place," "Touched by an Angel" and "Rescue 77."

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