When investigating if one measurement, e.g., EF < 54%, was associated with other abnormal measurements, we found no significant association between any of the following: EF < 54%, diastolic dysfunction and dilatation on echocardiography, IRBBB and any DMD-specific change on ECG, couplets/triplets, SVT and frequent VPCs on Holter, and fibrosis on CMR. Here, DMD is linked to fibrosis.