Fig. 3From: The roles of mid-myocardial and epicardial cells in T-wave alternans development: a simulation studyBody surface distributions of the concordant TWA amplitudes simulated by AP duration alternans for heart model mid-myocardial layers (L2, L3, L4 layers), and epi layer (upper); The T-wave signals in lead V1 simulating concordant TWA in mid-myocardial and epi (epicardial) layers (lower left); Concordant TWA simulated by AP duration alternans in mid-myocardial and epi (epicardial) layers (lower right)Back to article page