Japanese Circulation Society

IS146 Keynote Lecture: Transcatheter Assessment of Coronary Pathophysiology
Morton J. Kern, M.D.

Figure 3. Increasing coronary flow through the coronary stenosis increases the distal pressure in proportion to the resistance in an exponential fashion. (FFR, fractional flow reserve, CVR, coronary vasodilatory reserve; Pa, aortic pressure; Pd, distal pressure). (Kern 2000)