The QT interval on an ECG is a vital marker of heart health, but measuring and interpreting it correctly can be tricky. Advances in formulas, regulatory guidance, and AI-powered tools are helping ...

As more consumer-facing devices add features to measure the heart’s electrical activity, companies are looking for new ways to turn this data into valuable health information. AliveCor, a startup that ...

AliveCor's at-home EKG device won FDA clearance to calculate a heart's QT interval, a measurement of how long it takes the ventricles to contract and relax. This is vital given that some drugs can ...

In the past decade, the single most common cause of the withdrawal or restriction of the use of drugs that have already been marketed has been the prolongation of the QT interval associated with ...

ROTTERDAM, the NETHERLANDS — A new analysis of participants in a population-based cohort study suggests at least two ECGs might be useful to stratify individuals at risk for sudden cardiac death (SCD) ...

Inappropriate chemotherapy decisions may occur through use of a commonly used formula that overestimates the risk of a cardiac adverse event, warn researchers. Many cancer drugs carry a risk of QT ...