A modified myocardial performance (Tei) index based on the use of valve clicks improves reproducibility of fetal left cardiac function assessment

To determine whether a modified myocardial performance index (Mod‐MPI) involving assessment of the movements (clicks) of the mitral valve (MV) and aortic valve (AV), improves intra‐ and interobserver agreement as compared to the previously reported method for MPI estimation.

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