Hugh Hefner’s Cause of Death Revealed4 min read

Playboy mogul Hugh Hefner passed last week at the age of 91 years old.

Subsequently the cause of his death has been released.

E! News has learned the cause of the Playboy mogul’s death. According to his death certificate, the 91-year-old passed away after going into cardiac arrest and suffering from respiratory failure.

The certificate also notes that Hefner suffered from a recent bout of E. coli and Septicemia (a severe blood infection), listing them as contributing factors to his declining health and eventual passing. We’ve learned the E. coli was highly resistant to antibiotics.

The certificate also states that Hefner passed away 5:06 p.m. on Sept. 27, and he was still married to Crystal Hefner at the time of this passing.