医学
心房颤动
心脏病学
冲程(发动机)
病理生理学
内科学
传导异常
风险因素
束支阻滞
流行病学
右束支阻滞
心电图
机械工程
工程类
作者
David Power,Joshua Lampert,Anton Camaj,Solomon Bienstock,Nikola Kocovic,Antoni Bayés‐Genís,Marc A. Miller,Antoni Bayés de Luna,Valentı́n Fuster
标识
DOI:10.1016/j.jacc.2022.01.030
摘要
Interatrial block (IAB) is an electrocardiographic pattern describing the conduction delay between the right and left atria. IAB is classified into 3 degrees of block that correspond to decreasing conduction in the region of Bachmann's bundle. Although initially considered benign in nature, specific subsets of IAB have been associated with atrial arrhythmias, elevated thromboembolic stroke risk, cognitive impairment, and mortality. As the pathophysiologic relationships between IAB and stroke are reinforced, investigation has now turned to the potential benefit of early detection, atrial imaging, cardiovascular risk factor modification, antiarrhythmic pharmacotherapy, and stroke prevention with oral anticoagulation. This review provides a contemporary overview of the epidemiology, pathophysiology, diagnosis, and management of IAB, with a focus on future directions.
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