Objective To study the leadselection of QT interval measurment in the patients with acute myocardial infarction and to examine the relation of QT dispersion with VT/VF.
These kinds of questions lead to a good selection of pivot points.
通过这些问题，可以很好地选择轴心内容点。
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As a selection is updated in these components, information components at the bottom of the screen give a summary of the selected lead and the company owning the selected lead.