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Glossary/Imaging

Fractional Flow Reserve.

A pressure-based measurement (FFR) taken during cardiac catheterization to determine whether a coronary artery blockage is actually limiting blood flow. An FFR value of 0.80 or less indicates a significant blockage that would benefit from treatment.

Definition

What is fractional flow reserve?

A pressure-based measurement (FFR) taken during cardiac catheterization to determine whether a coronary artery blockage is actually limiting blood flow. An FFR value of 0.80 or less indicates a significant blockage that would benefit from treatment.

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