definition circulatory system disease
Cardiovascular disease includes conditions that affect the structures or function of your heart, such as: 1  Coronary artery disease (narrowing of the arteries) 2  Heart attack. 3  Abnormal heart rhythms, or arrhythmias.  Heart 1  failure. Heart valve disease.  Congenital heart 1  disease. Heart muscle disease (cardiomyopathy)  Pericardial disease.