The Corrected QT Interval (QTc) adjusts the QT interval correctly for heart rate extremes.

This online evidence based resource will help guide you how to measure the QT interval and calculate the QTc value with an easy to use calculator which takes into account the patients …

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Torsade de pointes (TdP) (illustrated in Figure 1) is a polymorphic ventricular tachycardia that can occur in the setting of a prolonged QTc interval. It is a “malignant” arrhythmia - often …

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