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| Figure 2: The superior-inferior axis SCG signal (red, on top), the ECG signal (green, in the middle), and the annotated dorso-ventral SCG signal (blue, in the bottom). Annotations: Mitral valve closure (MC), aortic valve opening (AO), maximum acceleration of blood in the aorta (MA), onset of rapid ejection of blood into the aorta (RE), aortic valve closure (AC), and mitral valve opening (MO) [13]. |
