Bill Paxton cause of death revealed

The cause of the death of Bill Paxton has been revealed.

According to a death certificate obtained by celebrity gossip site TMZ, the actor had an aneurysm that led to surgery.

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The certificate said Paxton underwent valve replacement surgery and had an aortic aneurysm repair Feb. 14.

Immediate causes of death listed on the certificate are a stroke, aortic aneurysm and bicuspid aortic valve, which is a heart defect present from birth.

The Hollywood Reporter said that Paxton's remains were cremated and interred at Forest Lawn-Hollywood Hills, citing the certificate. He died at age 61 Feb. 25.