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Central Aortic Pressure Index (CAPI) Calculator
Central Aortic Pressure Index (CAPI): Explanation and Clinical Context The Central Aortic Pressure Index (CAPI) represents the ratio of central aortic pressure to peripheral systolic pressure, reflecting the impact of arterial wave reflections and aortic stiffness on central hemodynamics. It is calculated using peripheral systolic pressure (PSP) and augmentation index (AIx), which represents the contribution of refle