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Copyright ©The Author(s) 2021.
World J Cardiol. Oct 26, 2021; 13(10): 533-545
Published online Oct 26, 2021. doi: 10.4330/wjc.v13.i10.533
Figure 1
Figure 1 Electrocardiogram showing vertical P wave axis suggested by P wave amplitude in lead III greater than P wave in lead I and a negative P wave in lead aVL. Adapted from Bajaj et al[13].