The four heart valves (pulmonary and tricuspid on the right side, and aortic and mitral on the left side of the heart) control the direction of the blood flow, ensuring optimal pumping of the heart.

Blood enters the left ventricle through the mitral valve and leaves through the aortic valve. A stenotic valve is a valve opening that has gotten smaller and is partially obstructing blood flow. In ...

This happens during inspiration when increased venous return to the right side of the heart delays the closure of the pulmonic valve (major effect), and decreased return to the left side of the ...

A leaky heart valve occurs when a heart valve doesn’t close properly, allowing blood to flow backward. During pregnancy, this condition can affect circulation and increase strain on your heart.