Marfan Z Score ((link)) Jun 2026

Because people come in all shapes and sizes, a "normal" aortic diameter for a 6-foot-tall athlete is very different from a "normal" diameter for a 5-year-old child. A Z-score adjusts for these differences by factoring in: Height Weight (Body Surface Area) Gender

Mild dilation; indicates the need for regular monitoring and potentially "aorta-protective" medications like Beta-blockers or ARBs. Z > 3.0: Moderate dilation; requires closer surveillance. marfan z score

[ Z = \frac\textObserved aortic root diameter - \textPredicted mean diameter\textStandard deviation (SD) of predicted mean ] Because people come in all shapes and sizes,