Abstract

Although atrial fibrillation (AF) is a relatively common arrhythmia occurring during the course of acute myocardial infarction (AMI), the mechanisms involved in its genesis remain controversial and are mostly focused on the left ventricle and atrium: left ventricular failure, pericarditis and left atrial ischemia. 1–4 In contrast, the role of hemodynamic change imposed on the right ventricle and right atrium related to the onset of AF after AMI is poorly understood. Because hemodynamic change of the right ventricle is often observed in inferior AMI, we hypothesized that hemodynamic impairment, audible pericardial friction rub, electrocardiographic evidence of right ventricular AMI and age may be important clinical factors associated with the occurrence of AF. In this study, multivariate analysis was used to assess the clinical settings associated with the occurrence of AF in patients with their first Q-wave inferior AMI.

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