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. 2020 Apr 30;15(4):e0232606. doi: 10.1371/journal.pone.0232606

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© 2020 Lempersz et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 6 — 12-lead ECG of case 1 with the atrio-ventricular septal defect: Note the abnormal QRS axis (-45 degrees) and prominent left ventricle (prominent R in V5 and V6 and deep S in V1 and V2 as well as the negative aVR). The marker on the bottom left indicates the scale at which an amplitude of 1 μV is depicted.