An autopsy revealed that Guerrero died as a result of acute heart failure arteriosclerotic cardiovascular disease .
Chavo attempted CPR , but Guerrero was pronounced dead when paramedics arrived on the scene .
An autopsy revealed that Guerrero died as a result of acute heart failure arteriosclerotic cardiovascular disease .
Chavo attempted CPR , but Guerrero was pronounced dead when paramedics arrived on the scene .