Madsen’s manager, Ron Smith, confirmed that the actor died earlier this month after suffering a cardiac arrest and being found unresponsive in his Malibu home. Now his death certificate from the L.A. County Medical Examiner has been released, confirming the cause of the cardiac arrest.

Michael Madsen, who was in several Quentin Tarantino films such as Reservoir Dogs, died aged 67 after he was found unresponsive at his home in Malibu, California

Actor Michael Madsen died from heart failure, his cardiologist has confirmed. The Reservoir Dogs star's doctor told NBC4 Los Angeles that heart disease and alcoholism will be named as contributing factors on the death certificate.

Actor Michael Madsen, best known for his role as “Mr. Blonde” in the Quentin Tarantino classic “Reservoir Dogs,” died of heart failure, according a news report Tuesday that cites his cardiologist.

Actor Michael Madsen was cremated this week following his death earlier his month, about which more details are now emerging. A number of conditions, including cardiomyopathy — which makes it more difficult for the heart to pump blood throughout the body — along with coronary artery disease and chronic alcoholism all contributed to the cardiac arrest that ultimately killed the 67-year-old

The actor, known for movies like 'Kill Bill' and 'Reservoir Dogs,' was found dead on July 3 Michael Madsen's official cause of death has been determined. The Kill Bill and Reservoir Dogs actor died from cardiac arrest that was brought on by cardiomyopathy,

Michael Madsen’s cause of death has been confirmed after the Reservoir Dogs and Kill Bill: Vol. 2 star died on July 3. Madsen’s manager, Ron Smith, confirmed that the actor died earlier this month after suffering a cardiac arrest and being found unresponsive in his Malibu home.