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. 2021 Apr 26;10(9):e019052. doi: 10.1161/JAHA.120.019052

Figure 1. Quantitative flow ratio (QFR) analysis.

Figure 1

Example of a left anterior descending artery requiring revascularization according to a QFR value of 0.76 that was missed by angiography. A and B, Two angiographic projections ≥25° apart, (C) 3‐dimensional vessel reconstruction, (D) vessel diameter, and QFR curves over the length of the vessel.