Coroner: Andrew Breitbart Died of Heart Failure, Hardened Arteries

Coroner: Andrew Breitbart Died of Heart Failure, Hardened Arteries

Conservative firebrand Andrew Breitbart, who died March 1 at the age of 43, was killed by heart failure and hardening of the arteries, the Los Angeles Coroner's Office said Friday.

Also read: Watch Andrew Breitbart's Final TV Appearance (Video)

The Los Angeles County Coroner has determined that Breitbart, who built a name as a right-wing internet muckraker and helped force the resignation of New York Rep. Anthony Weiner, died a "natural" death, and had no illicit or prescription drugs in his system. Breitbart did have a blood-alcohol level of .04 percent at the time of his death.

The official cause of death is listed as heart failure, and hypertrophic cardiomyopathy -- a thickening of heart muscle -- with focal coronary atherosclerosis.

No foul play is suspected,and no significant trauma was detected.

Also read: Why Andrew Breitbart Raged Against the Left

Breitbart, a Los Angeles native and Tulane graduate, became one of the more recognizable conservative figures in the media world. He was a regular on Fox News and other news channels, a fixture at Tea Party events and an Internet entrepreneur.

He then founded Breitbart.com in 2005 and later launched BigHollywood.com, BigGovernment.com, BigJournalism.com and other sties. They mixed right-leaning commentary with aggregation of other stories and original reporting.

He uncovered or inserted himself into a series of major political stories over the past few years, including the Anthony Weiner scandal and the unwarranted firing of Agriculture Department official Shirley Sherrod.

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Andrew Breitbart, Conservative Firebrand, Dead at 43