Maintaining valves throughout a plant’s lifetime helps to preserve optimal performance, minimize supply disruptions and ...

The heart valves play a vital role in ensuring blood flows correctly through the heart and the rest of the body. If they do not function correctly, a person may require surgery to replace the damaged ...

The aortic valve sits between the heart’s left ventricle and the aorta. It opens and closes with the heartbeat to allow blood to flow to the body without leaking back into the heart. It may need to be ...