Fig. 4. Case with discrepancy between myocardial perfusion imaging and fractional flow reserve. A. 72-year-old woman with stable angina who underwent myocardial.

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Fig. 4. Case with discrepancy between myocardial perfusion imaging and fractional flow reserve. A. 72-year-old woman with stable angina who underwent myocardial SPECT. Reversible perfusion defect was absent. B. Invasive coronary angiography revealed severe 3-vessel disease (arrows). C. FFR was 0.69 in left anterior descending coronary artery and 0.73 in left circumflex artery, respectively. FFR = fractional flow reserve, LAD = left anterior descending coronary artery, LCX = left circumflex artery, SPECT = single photon emission computed tomography Fig. 4. Case with discrepancy between myocardial perfusion imaging and fractional flow reserve. A. 72-year-old woman with stable angina who underwent myocardial SPECT. Reversible perfusion defect was absent. B. Invasive coronary angiography revealed severe 3-vessel disease (arrows). C. FFR was 0.69 in left anterior descending coronary artery and 0.73 in left circumflex artery,. . . Korean J Radiol. 2016 May-Jun;17(3):307-320. http://dx.doi.org/10.3348/kjr.2016.17.3.307