43 years old  Conservative Blogger Andrew Breitbart has been ruled by  Coroner  to have Died Of Heart Failure         

LOS ANGELES -- The Los Angeles County coroner's office has ruled that conservative blogger and commentator Andrew Breitbart died of heart failure stemming from coronary disease.
Coroner spokesman Craig Harvey said Friday that a negligible amount of alcohol was found in Breitbart's system but no prescription or illicit drugs.
Harvey says foul play is not suspected and the case has been closed.
Breitbart, 43, died March 2 at Ronald Reagan UCLA Medical Center after collapsing as he was walking his dog near his Brentwood home.