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Competing Interests: Declaration of competing interest I would like to submit the manuscript (Brief Report) to be considered for publication in your journal (The American Journal of Cardiology). The authors transfer all copyrights ownership of the manuscript “Post-cardiac injury syndrome following transcatheter aortic valve implantation: a brief report and review” to the AJC, in the event the work is published. The manuscript as submitted or its essence in another version is not under consideration for publication elsewhere and will not be published elsewhere while under consideration by AJC. The authors have no commercial associations or sources of support that might pose a conflict of interest and all authors have made substantive contributions to the study and all authors endorse the data and conclusions.

We present a case of acute decompensated heart failure due to transient left bundle branch block (LBBB) as a consequence of a ramus intermedius (RI) occlusion. A 63-year-old woman was admitted with acute onset of typical chest pain and pulmonary edema, a newly diagnosed LBBB and left ventricular (LV) systolic dysfunction. A coronary angiogram demonstrated critical stenosis at the osteal segment of RI. After successful coronary revascularization, LBBB was completely resolved, with an improvement in LV systolic function and symptoms. In terms of anatomical blood supply of the left bundle branch, transient LBBB as a consequence of an RI occlusion is unusual., (© 2024 The Author(s). Annals of Noninvasive Electrocardiology published by Wiley Periodicals LLC.)