The aortic valve has three flaps that work like a one-way gate. When
the heart pumps, the aortic valve opens to allow oxygen-rich blood to flow from
the left ventricle into the aorta. When the heart rests between beats, the
aortic valve closes to keep blood from flowing backward into the heart.
Primary Medical Reviewer
Rakesh K. Pai, MD, FACC - Cardiology, Electrophysiology
Specialist Medical Reviewer
Stephen Fort, MD, MRCP, FRCPC - Interventional Cardiology
How this information was developed to help you make better health decisions.