CLEARWATER, Fla. (WFLA) — Hulk Hogan's death last week was caused by a heart attack, according to NBC News.

The District Six Medical Examiner's Office, which covers both Pinellas and Pasco counties, described the death as natural.

A pathologist also noted the wrestling superstar had a history of "atrial fibrillation," an irregular heartbeat in the upper chambers of the heart, and leukemia before his death.

Clearwater police were called to Hogan's house on July 24 after he suffered a cardiac arrest. The 71-year-old, whose real name was Terry Bollea, was taken to Morton Plant Hospital, where he was pronounced dead at 11:17 a.m.

Clearwater Mayor Bruce Rector described Hogan in a statement as “an inspiration to our entire Clearwater community and millions around the world.”

Hogan's wife,

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