“…ECG2 presents all the electrocardiographic criteria for LSFB, repeatedly mentioned in the literature (Pérez‐Riera & Baranchuk, ; Perez‐Riera, Barbosa‐Barros, Penachini da Costa de Rezende Barbosa, Daminello‐Raimundo, & de Abreu, ), and ratified by the III SBC (Sociedade Brasileira de Cardiologia) Guidelines on the Analysis and Issuance of Electrocardiographic Reports—Executive Summary by Pastore et al. (Pastore, Samesima, & Pereira‐Filho, ). The transitory nature of the electrocardiographic changes rules out the possibility of any other possible cause for prominent anterior forces such as normal variant, athlete's heart, erroneous placement of precordial leads, vectorcardiographic right ventricular hypertrophy types A and B, lateral infarction (previously named posterior infarction), right bundle branch block, ventricular preexcitation type A, obstructive and nonobstructive hypertrophic cardiomyopathy, Duchenne‐Erb disease, endomyocardiofibrosis, or the combination of any of the above (Pérez‐Riera, Barbosa‐Barros, & Baranchuk, ).…”