Fig. 2.

Stress induced myocardial ischemia and quantification of coronary artery plaque burden in a patient with non-obstructive coronary artery disease and chronic coronary syndrome. Myocardial contrast dobutamine stress echocardiography demonstrated normal perfusion at rest (panel a) and myocardial ischemia with delayed myocardial contrast enhancement in the apical part of the left ventricle at peak dobutamine stress (panel b). Quantification of coronary artery plaque burden by coronary computed tomography angiography is shown in panel c.