What is the normal adult aortic valve annulus size?

The normal adult aortic valve annulus size typically ranges from 2.0 to 3.0 cm in diameter. However, it can vary depending on individual anatomical and physiological factors. The most common accepted measurement for the adult aortic valve annulus is generally cited around 3.0 to 4.0 cm. This is an important benchmark used by cardiovascular professionals when evaluating aortic valve morphology and function, especially for interventions such as valve repair or replacement.

Understanding this normal range is crucial in the context of diagnosing and managing conditions related to aortic stenosis or regurgitation, as abnormal sizes can indicate pathological changes that warrant clinical attention. The upper end of normal can help delineate normal from dysfunctional valve performance, guiding clinical decisions.