促心律失常
QT间期
医学
心脏病学
三合会(社会学)
长QT综合征
内科学
心电图
麻醉
精神分析
心理学
标识
DOI:10.2143/ac.63.1.2025324
摘要
When triangulation, reverse use dependence, instability and dispersion (TRIaD) of the action potential are associated with drug-induced prolongation of the QT interval, then proarrhythmia in the form of torsade de pointes is most likely. However, as the QT interval is shortened, TRIaD increasingly leads to ventricular fibrillation (VF). Thus, use of QT prolongation by itself may not recognize drug-induced VF (false negatives) and in the absence of TRIaD may erroneously incriminate valuable and safe agents (false positives). In patients,TRIaD equivalents in the ECG may likewise be more important than QT interval.
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