Bill Paxton's Death Certificate Reveals He Died of a Stroke 11 Days After Undergoing Heart Surgery

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New details have emerged as to the cause of Bill Paxton's death.

The 61-year-old actor's death certificate was released on Monday, and states that he died after suffering a stroke following surgery to replace a heart valve and correct an aortic aneurysm. The death certificate further notes that Paxton underwent surgery on Feb. 14 and died 11 days later on Feb. 25.

EXCLUSIVE: Bill Paxton's Big Love Co-Star Ginnifer Goodwin Remembers the Late Actor's 'Huge Heart'

"It is with heavy hearts we share the news that Bill Paxton has passed away due to complications from surgery. A loving husband and father, Bill began his career in Hollywood working on films in the art department and went on to have an illustrious career spanning four decades as a beloved and prolific actor and filmmaker," the actor's family rep told ET in a statement not long after his death. "Bill's passion for the arts was felt by all who knew him, and his warmth and tireless energy were undeniable."

Paxton undoubtedly left a mark on Hollywood, and many celebrities paid tribute to the late star, including his Apollo 13 co-star, Tom Hanks, his Big Love co-star, Aaron Paul, and his Twister co-star, Helen Hunt. Check out their kind messages in honor of the actor: