Interpretation of the Clinical Practice Update of the Consensus on the Management of Patients with Prolonged QT Interval published by the Canadian Cardiovascular Society
Prolonged QT interval is defined as the duration from the beginning of the QRS complex to the end of the T wave on a 12-lead electrocardiogram exceeding the upper limit of the normal reference range.Due to the widespread use of clinical ECG,the medical community has paid more and more attention to QT interval.At the same time,the National Medi-cal Products Administration of China has required that E14:Clinical evaluation of QT/QTc interval prolongation and potential arrhythmogenic effects caused by non-antiarrhythmic drugs will apply to the relevant requirements of drug clinical trials starting from July 31,2023.Therefore,how to manage patients with prolonged QT interval has become an important topic in clinical concern.In October 2023,the Canadian Cardiovascular Society published the Clinical Practice Update:Consensus on the Management of Patients with Prolonged QT Interval,which provided recommendations for the diagnosis,screening and treat-ment strategies of patients with prolonged QT interval.The purpose of this article is to deeply interpret the consensus,analyze the practical significance of the updated content in the management of patients with prolonged QT interval,and explore its ap-plication prospect in clinical work.
updating clinical practiceprolonged QT intervalmanagement of patientselectrocardiogramβ receptor antagonist
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