
QT Interval • LITFL • ECG Library Basics
2024年10月8日 · An abnormally prolonged QT is associated with an increased risk of ventricular arrhythmias, especially Torsades de Pointes Congenital short QT syndrome has been found to …
Acquired long QT syndrome: Definitions, pathophysiology, and …
Long QT syndrome (LQTS) is a disorder of myocardial repolarization characterized by a prolonged QT interval on the electrocardiogram (ECG) (waveform 1). This syndrome is …
Long QT Syndrome - StatPearls - NCBI Bookshelf
2022年12月26日 · QTc is prolonged if it is greater than 440 ms in men or greater than 460 ms in women. A QTc greater than 500 is associated with an increased risk of torsade de pointes.
QTc: how long is too long? - PMC
The diagnosis of “borderline” QT prolongation or even “borderline LQTS” is commonly given when a patient has a QTc value between 440 and 470 ms. 18 Within this range, however, there …
QT prolongation: Definition, causes, treatment, and more
2023年12月22日 · QT prolongation is the medical term for an extended interval between the heart contracting and relaxing. This condition can increase a person’s risk of experiencing abnormal …
長QT綜合症 - 维基百科,自由的百科全书
長QT症 又名 長QT綜合症 (Long QT syndrome),全稱是 QT間期延長綜合症,簡稱 LQTS,是一種跟 心律 或 心血管 有關的 心臟病。 這一種病可能是先天的,也有可能是因為治療其他心 …
Long QT Syndrome: Symptoms & Treatment - Cleveland Clinic
2023年3月20日 · Long QT syndrome is a problem with the electrical system in your heart taking too long to recharge. This issue can lead to a life-threatening type of abnormal heart rhythm. …
Long QT syndrome - Symptoms and causes - Mayo Clinic
2024年7月19日 · Long QT syndrome (LQTS) is a heart rhythm disorder that causes fast, chaotic heartbeats. The irregular heartbeats can be life-threatening. LQTS affects the electrical signals …
What Does Prolonged QT Indicate? Causes, Symptoms, Triggers
Long QT syndrome (LQTS) is a rare disorder detected on the electrocardiogram, which represents the time taken by the heart muscle (ventricles) to contract and then recover. The …
Long QT (QTc) interval, long QT syndrome (LQTS) & torsades …
Long QT syndrome (LQTS) is manifest when a long QT interval induces ventricular arrhythmias. Figure 1. The QT interval on the ECG. The QT interval is inversely related to heart rate. As the …