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. 2020 Mar 12;35(8):1135–1147. doi: 10.1007/s00380-020-01577-1

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© The Author(s) 2020

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Fig. 4 — CRT simulations. a Propagation of activation and contraction under CRT that produced the best outcome (case 4) and the worst outcome (case 1). b Simulated ECGs of case 4 (left) and case 1 (right). c Comparisons of pressure–volume loops (upper panel) and dP/dt (lower panel) among pre-CRT, case 4 and case 1