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. 2022 Jan;12(1):244–256. doi: 10.21037/qims-20-1038

Figure 2.

Figure 2

Examples of patients in the HC, HFpEF, HFmrEF, and HFrEF groups. In each group, the LV PSL, 17-segment bull's-eye representation of GWE, and the MW parameters, were given. Specifically, the 17-segment bull's-eye representation of GWE showed regions of high efficiency coded in green and those with the least efficiency coded in red, while the MW parameters included GWI, GCW, GWW, and GWE. (A) HC group; (B) HFpEF group; (C) HFmrEF group; (D) HFrEF group. PSL, pressure-strain loop; MW, myocardial work; HC, healthy control; HFpEF, heart failure with preserve ejection fraction; HFmrEF, heart failure with mid-range ejection fraction; HFrEF, heart failure with reduced ejection fraction.