The Ultimate Warrior in 1989
04/15/2014 at 08:00 AM EDT
Former pro wrestler The Ultimate Warrior died
of cardiovascular disease, authorities in Phoenix said Monday.
Maricopa County spokeswoman Cari Gerchick said that's the finding from an autopsy conducted Thursday by the county medical examiner's office.
The 54-year-old wrestler
's given name was James Hellwig. He collapsed April 8 while walking with his wife to their car at a Scottsdale hotel and was pronounced dead at a hospital.
Scottsdale police have said there were no signs of foul play.
The Ultimate Warrior was one of pro wrestling's biggest stars in the late 1980s.