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. 2017 Mar;14(3):185–194. doi: 10.11909/j.issn.1671-5411.2017.03.008

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Institute of Geriatric Cardiology

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Figure 9. — The left triangle represents the degree of atrial fibrosis according to the Utah classification. The middle triangle represents atrial longitudinal strain and the right one represents the frequency of atrial fibrillation.