Letter by Baranchuk Regarding Article, “Electrophysiological Effects of Selective Atrial Coronary Artery Occlusion in Humans”
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To the Editor:
I have read with interest an article titled, “Electrophysiological Effects of Selective Atrial Coronary Artery Occlusion in Humans,” recently published in Circulation by Álvarez-García et al.1
In this very interesting article, the authors prospectively analyzed a series of patients undergoing elective angioplasty of the right coronary artery or the circumflex artery. Patients were subsequently divided into 2 groups: 1 with occlusion of the artery branches and 1 without occlusion. I am particularly interested in highlighting the electrocardiographic findings, because the authors stated several times that the occlusion of the atrial branches was associated with higher intra-atrial block (see the Abstract, Methods, Results, and …