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. 2018 Mar 26;10(3):15–20. doi: 10.4330/wjc.v10.i3.15

Figure 2.

Figure 2

Coronary angiography and SPT for Case 2. Coronary angiograms show no significant coronary stenosis of either the RCA (left upper panel) or the left circumflex artery (LCA, left lower panel). The SPT performed during treatment with several vasodilator showed coronary spasms at the distal segments of the RCA at a dose of 30 μg ACh (middle upper panel), distal to the stented segment of the LAD and at the diffuse segment of the LCA (middle lower panel). These coronary spasms resolved immediately after an injection of nitroglycerin (right upper and lower panels). Spastic segments are indicated by arrows.