Invasive coronary physiology to measure fractional flow reserve (FFR) or nonhyperemic pressure ratios (NHPRs) requires vessel instrumentation using a pressure wire. Although modest, the pressure wire and its insertion carry… Click to show full abstract
Invasive coronary physiology to measure fractional flow reserve (FFR) or nonhyperemic pressure ratios (NHPRs) requires vessel instrumentation using a pressure wire. Although modest, the pressure wire and its insertion carry some cost and risk. Deriving pressure loss from anatomy by simulating flow
               
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