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Patrick Muldoon attends the 53rd Saturn Awards on March 8, 2026 in Universal City, California. Michael Tullberg/Getty Images

The cause of death for Patrick Muldoon has been reported after the actor died at age 57 .

The Days of Our Lives star died of a myocardial infarction, otherwise known as a heart attack, with his death certificate listing a pulmonary embolism and hereditary coagulopathy, a genetic issue that results in issues with blood clotting, as underlying causes.

Muldoon’s death certificate also noted that he was cremated on Tuesday, according to People .

Earlier this month, Deadline reported that Muldoon died of a heart attack at age 57 on Sunday, April 19.

Born Sept. 27, 1968, Muldoon was known for playing Austin Reed on Days of Our Lives from 1992 to 1995, later reprising the role in 2011.…