Ozzy Osbourne passed away at 76, just weeks after his final Black Sabbath concert. Learn more about the health complications that led to his death and the official cause here.

Ozzy Osbourne 's cause of death has been determined. According to a death certificate obtained by the New York Times and The Sun , the legendary rock star died of "out of hospital cardiac arrest" and "acute myocardial infarction," with coronary artery disease and Parkinson's disease with autonomic dysfunction listed as "joint causes."