Letter by Del-Carpio Munoz et al Regarding Article, “Masking Inferior Infarction by Anterior Myocardial Injury”

To the Editor: In the July 25th, 2006, issue of Circulation , Deng and Das1 conclude that an old inferior myocardial infarction (Figures 1 and 3 of their article) was masked by an acute anterior-wall injury pattern (Figure 2 of their article). They state that the possible mechanism is a well-known electrocardiographic principle: Electrical forces …