Diseases of the Heart. Heart Attack. Congestive Heart Failure. heart valve disease caused by past rheumatic fever or other infections infections of the heart valves and/or heart muscle (i.e., endocarditis) cardiac arrhythmias (irregular heartbeats)
The larger left ventricle (LV) is seen at left, the (rounded) left atrium (LA) to the bottom right, andthe aorta (AO) just above the left atrium. The leaflets of the mitral valve may be seen moving toward the left ventricle as blood flows from the atrium to the ventricle. The aortic valve may be seen opening into the aorta as blood is pumped out of the ventricle into the aorta.