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.

Related Terms

Related glossary terms.

Cardiac Catheterization
A procedure in which a thin tube (catheter) is threaded through a blood vessel to the heart. Allo...
PCI
Percutaneous Coronary Intervention, also called coronary angioplasty with stenting. A catheter-ba...
Coronary Artery Disease
A condition caused by the buildup of plaque (atherosclerosis) inside the coronary arteries, which...
IVUS
Intravascular Ultrasound. A catheter-based imaging technique that uses ultrasound from inside a c...
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