QT prolongation occurs when the heart muscle takes longer to contract and relax than usual. It can affect heart rhythms and lead to sudden cardiac arrest. The heart is a muscle that contracts and ...

Long QT syndrome is a leading cause of sudden death in young persons, with a prevalence exceeding 1 in 2000. It is characterized by prolongation of the QT interval, aberrant T-wave morphologic ...

A machine learning model was more effective at detecting congenital long QT syndrome on resting ECGs than manual measurement of QT intervals by arrhythmia experts, in a new study. Researchers ...

LQT-1213 is a first-in-class serum glucocorticoid regulated kinase 1 inhibitor. The Food and Drug Administration (FDA) has granted Orphan Drug designation to LQT-1213, a first-in-class serum ...

Timothy syndrome (TS), a rare autosomal-dominant disorder, is characterized by presence of a heart arrhythmia (long QT syndrome), which causes the cardiac muscle to take longer than usual to recharge ...

Researchers have been using artificial intelligence (AI) to develop a mobile device that can identify certain patients at risk of sudden cardiac death. Researchers from Mayo Clinic and AliveCor Inc.

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 ...

(HealthDay News) — Use of a computerized clinical decision support system (CDSS) may reduce the risk of prolonged QT c interval in hospitalized patients at risk for torsades de pointes, according to ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. COVID-19 infection is associated with a significant increase in the corrected QT interval (QTc) in ...

Long QT interval is a condition that affects the heart’s electrical rhythm, which can lead to potentially life threatening arrhythmia. Behind the pumping action of the heart is an electrical ...