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Pseudonormalization of the right ventricular Tei index—representative patients. Left panel: a control subject with normal isovolumic contraction time (ICT) and isovolumic relaxation time (IRT). Middle panel: this patient had mild/moderate right ventricular infarction and a larger Tei index with prolonged ICT and IRT. Right panel: this patient had severe right ventricular infarction with paradoxic shortening of ICT, resulting in a pseudonormalized right ventricular Tei index.