The document revealed three primary causes of Davis’ death:READ MORE: Oakland A's Silent on Negotiations With City Over New Stadium
A) Ventricular fibrillation — a dangerously abnormal heart rhythm
B) Congestive heart failure
C) Cardiomyopathy — heart muscle disease
According to the death certificate, Davis died at the Oakland Airport Hilton at 2:45 a.m. on Oct. 8.
The document showed Davis had been diagnosed with cardiomyopathy years ago, and suffered a ventricular fibrillation just 15 minutes before his death. Davis also suffered from Merkel cell carcinoma, an aggressive form of skin cancer.READ MORE: COVID: Breakthrough Cases Surge Among San Francisco Hospital Staff
According to the document, Davis — who was involved with the NFL for 60 years — underwent throat surgery just three days before his death. Davis also had heart surgery in 1996.
He was 82 at the time of his death.COVID: Highly-Contagious Delta Variant Has Some Parents Rethinking Back-To-School Plans
(Copyright 2011 by CBS San Francisco. Used with permission from TMZ. All rights reserved.)