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APD90 accommodation. At t = 0 s, the pacing cycle length (CL) is abruptly reduced from 750 to 480 ms (black circles) or 410 ms (white circles). At t = 180 s, the CL is abruptly increased to its original value. (A) Action potential duration (APD) accommodation measured experimentally by Franz et al. (1988). (B) APD accommodation simulated with the ORd model. (C) APD accommodation with the BPS2020 model. (A,B) Are adapted from O’Hara et al. (2011).
