TMZ, obtained the actor’s death certificate which showed he suffered from several major medical problems for years before dying from complications after open heart surgery. Avery suffered from severe coronary heart disease, end-stage kidney disease and type-2 diabetes.
His official cause of death is listed as cardio respiratory arrest (i.e. a stopped heart). According to the death certificate, Avery was cremated. His remains were scattered at sea off the coast of L.A.