Japanese Circulation Society

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

Figure 2. Angiogram and intravascular ultrasound (IVUS) imaging provide precise anatomic detail, and measure translesional pressure gradient and the absolute pressure at maximal hyperemia. (FFR, fractional flow reserve, CVR, coronary vasodilatory reserve; Pa, aortic pressure; Pd, distal pressure). (Kern 2000)