Almost always, acquired heart diseases - is to valvular defects. The main cause of acquired heart disease - rheumatism.
Rheumatic heart defects, about 80% of the total. From 35 to 60% of patients with rheumatic fever with no apparent transfer of rheumatic attacks and heart disease are only then, when there are complaints from the heart.
The remaining 20% of acquired heart defects occur in atherosclerosis, trauma, infectious diseases of the heart, syphilis, myxomatous degeneration of the valves. There are those defects in appearance of the affected valve and the degree of insufficiency of the heart.