constant resistance ratio(English)

• defined as the average ratio over 5 consecutive cardiac cycles of distal coronary pressure and aortic pressure (Pd/Pa) during the constant resistance period (when the first derivative of the Pd/Pa to time is 0)
• DS, FFR, NHPR, PMC, PW, RFR, RVD
• Hemodynamics, Coronary circulation, Diagnostics, Ratio-based metric
• https://doi.org…JAHA.125.041920