Michael Madsen died at 67 at his Malibu home on July 3, 2025. A report published July 17 by TMZ, which said it obtained his death certificate from the Los Angeles County Medical Examiner, identified cardiac arrest and listed cardiomyopathy, coronary artery disease and chronic alcoholism as associated conditions. It also described thromboembolic disease as another significant condition. The certificate itself was not independently reviewed for this account, so these are reported death-certificate findings, not an independently verified County record.
What was Michael Madsen’s reported cause of death?
TMZ’s July 17, 2025 report said Madsen’s death certificate listed cardiac arrest associated with cardiomyopathy, coronary artery disease and chronic alcoholism. The report also identified thromboembolic disease as a significant condition. These details come from TMZ’s account of a document it said it obtained; they should not be recast as a direct statement from the Medical Examiner or as independently confirmed findings.
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Cardiac arrest is the reported immediate event. The other listed conditions provide additional medical context, but the report does not establish that any one of them alone caused his death or explain a specific causal mechanism.
How the later certificate report differs from the initial account
In its July 3, 2025 report, the Associated Press said Madsen, 67, was found unresponsive at his Malibu home and pronounced dead. AP described natural causes as suspected and reported that his manager, Ron Smith, characterized cardiac arrest as the apparent cause. Those were initial accounts; TMZ’s later report gave more specific details attributed to the death certificate.
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The chronology matters: “suspected” and “apparent” described the early reporting, while the July 17 account described what TMZ said the certificate listed.
What the available sources establish—and what they do not
The Los Angeles County Medical Examiner says its public case search may show final cause and manner of death when available, and notes that some cases may not be available. The County also explains that deferred findings can be amended after further testing. Its general guidance does not confirm Madsen’s individual findings.
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The County identifies a death certificate as the official legal record of death. The individual County case record was not retrieved here, and the certificate was not independently inspected. The specific medical details should therefore remain attributed to TMZ’s document-based report.
- Associated Press, July 3, 2025: initial report on Madsen’s death
- TMZ, July 17, 2025: report of death-certificate findings
- Los Angeles County Medical Examiner: case search
- Los Angeles County Registrar-Recorder/County Clerk: death certificates
Why Madsen was known to film audiences
Madsen’s film credits included Reservoir Dogs and Kill Bill: Vol. 2, titles noted in the Associated Press’s coverage of his death.
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