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. 2023 Mar 9;12(6):e028105. doi: 10.1161/JAHA.122.028105

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© 2023 The Authors. Published on behalf of the American Heart Association, Inc., by Wiley.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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A, The percentage of coronary slow flow during coronary angiography among 203 out of 634 (32.0%) non‐CAD study participants. B through D, Comparisons of the TDI‐s′, TDI‐e′, and average E/e′ in normal versus slow coronary flow non‐CAD study participants. CAD indicates coronary artery disease; fQRS, fragmented QRS; and TDI, tissue Doppler imaging.