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. Author manuscript; available in PMC: 2023 Aug 1.
Published in final edited form as: IEEE Trans Biomed Eng. 2022 Jul 20;69(8):2443–2455. doi: 10.1109/TBME.2022.3147066

Fig. 1.

Fig. 1.

(a) Experimental setup with a wearable patch placed on a subject undergoing right heart catheterization (RHC) procedure, with axes (on the upper-right) showing the axes of the seismocardiogram (SCG) signal. (b) Front (left) and side (right) view of a wearable patch placed on a representative subject. (c) Representative cardiogenic signals: electrocardiogram (ECG), triaxial SCG (head-to-foot (HtoF), lateral (Lat), and dorsoventral (DV)), and RHC pulmonary artery pressure (PAP) signal. SCG is a mechanical signal that has been associated with cardiac muscle contraction, cardiac valve movement, and movement of the blood from the left ventricle towards the aorta.