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. 2021 Dec 2;8:753664. doi: 10.3389/fcvm.2021.753664

Figure 1.

Figure 1

LED-Red therapy improves heart function in mice with heart failure. (A) LED-Red therapy protocol. (B) Block diagram of the set-up of the LED-Red irradiation experiment. (C,D) Cardiac function by echocardiography. (C) Representative M-mode echocardiography of the left ventricle. (D) EF, Ejection fraction. FS, Fractional shortening; LVID; s, Left ventricular internal dimension end-systole; LVID; d, Left ventricular internal dimension end-diastole; n = 8. (E) Lung wet weight to dry weight ratio (LW-wet/LW-dry). n = 4. ***P < 0.001 vs. Sham, #P < 0.05 vs. HF, ##P < 0.01 vs. HF, ###P < 0.001 vs. HF. Data are expressed as the mean ± SEM.