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. 2021 Jul 14;10(14):e020535. doi: 10.1161/JAHA.120.020535

Figure 1. Myocardial bridging and coronary spasm among patients with NOCAD with myocardial ischemia undergoing acetylcholine provocative test.

Figure 1

A, Incidence of myocardial bridging, positive acetylcholine provocative test, MINOCA, and stable non‐obstructive coronary artery disease among patients with myocardial ischemia and non‐obstructive coronary artery disease enrolled in our study. B, Incidence of a positive response at acetylcholine test, epicardial spasm or microvascular spasm according to the presence or absence of myocardial bridging. MB+ indicates myocardial bridging presence; MB−, myocardial bridging absence; MINOCA, myocardial infarction and non‐obstructive coronary arteries; and NOCAD, non‐obstructive coronary artery disease.