New Best Practice Protocol for FFR/iwFR Measurement

The words, "best practice" in a white speech bubble on a yellow background.

The Best Practice Protocol (BPP) for Fractional Flow Reserve (FFR)/Instantaneous wave-Free Ratio (iwFR) Measurement is now available on This BPP covers patient preparation, zeroing of the FFR/iwFR wire, calibration, and more. You can view the complete BPP on our website. Thank you to Dr. Daher and the BPP task force for your work!