Michael Madsen's cardiologist confirms heart failure as his official cause of death. Get the full story on the Reservoir Dogs star's passing on July 3rd.

MICHAEL Madsen’s cause of death has been revealed – less than a week after the Reservoir Dogs star was found unresponsive in his home.  The actor, who also starred in Kill Bill and Once

Michael Madsen's doctor has confirmed he died from heart failure. The Reservoir Dogs actor was found dead at his home in Malibu, California last week, and his cardiologist has now confirmed the cause of death.