Letter by Ng and Efimov Regarding Article, “Electrophysiological Effects of Selective Atrial Coronary Artery Occlusion in Humans”
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To the Editor:
We read with great interest the article by Álvarez-García and colleagues1 on the electrophysiological effects of atrial coronary occlusion in humans. The authors report an association between selective atrial coronary artery occlusion during elective percutaneous coronary intervention with increased atrial arrhythmias and intra-atrial conduction delay.
We previously studied the electrophysiological effects of acute myocardial ischemia in explanted human hearts by using high-resolution optical mapping,2,3 and reported progressive slowing of local conduction velocities with …