The 65-year-old film star died April 1 from a battle with pneumonia, an infection that raises increased risks ... Cardiovascular disease or heart disease are a class of diseases that involve the ...

The American Heart Association, American College of Cardiology and Heart Failure Society of America developed a classification of heart failure that divides heart failure into four stages.

Chronic heart failure occurs when either the left ventricle, the right ventricle, or both require elevated filling pressures to maintain cardiac output. Heart failure is a syndrome, not a specific ...