期刊
JOURNAL OF ELECTROCARDIOLOGY
卷 49, 期 6, 页码 824-830出版社
CHURCHILL LIVINGSTONE INC MEDICAL PUBLISHERS
DOI: 10.1016/j.jelectrocard.2016.07.025
关键词
Spatial ventricular gradient; Vectorcardiogram
资金
- NHLBI NIH HHS [R01 HL118277] Funding Source: Medline
The ventricular gradient, an electrocardiographic concept calculated by integrating the area under the QRS complex and T-wave, represents the degree and direction of myocardial electrical heterogeneity. Although the concept of the ventricular gradient was first introduced in the 1930s, it has not yet found a place in routine electrocardiography. In the modern era, it is relatively simple to calculate the ventricular gradient in three dimensions (the spatial ventricular gradient (SVG)), and there is now renewed interest in using the SVG as a tool for risk stratification of ventricular arrhythmias and sudden cardiac death. This manuscript will review the history of the ventricular gradient, describe its electrophysiological meaning and significance, and discuss its clinical utility. (C) 2016 Elsevier Inc. All rights reserved.
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