Left bundle branch block with changing axis deviation

Right bundle branch block with changing axis at the end of atrial fibrillation

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Changing axis has been reported [1][2][3][4][5][6][7][8] also during atrial fibrillation [9][10][11] or atrial flutter [12,13]. Changing axis has been also reported during acute myocardial infarction [14-25] associated with atrial fibrillation too [26,27] or at the end of atrial fibrillation [28,29], also during acute myocardial infarction [30,31].

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