SAN FRANCISCO, CA—Consuming a large quantity of grapefruit juice has effects on the QT interval in healthy adults similar to those seen with moxifloxacin, an antibiotic with known QT-prolonging ...

The QT interval is the time from the beginning of the QRS complex (ventricular depolarization) to the end of the T wave (ventricular repolarization). The normal QT interval is controversial and ...

Minneapolis, MN - An increased duration of the QTc points to an elevated risk for coronary heart disease (CHD) and cardiovascular disease (CVD) mortality in black and white healthy men and women, ...

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 ...

Less than 1 percent of the population has been diagnosed with Long QT syndrome – a rare heart condition that can cause chaotic, sometimes fatal, heart rhythms. Now, Virginia Tech researchers at the ...

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 ...

Table 1 SNPs in cardiac ion channel genes associated with QTc length in healthy Caucasian populations KCNH2 rs1805123 (K897T) and rs3815459 were in moderate LD (D′=−0.60). Haplotype analysis confirmed ...

DEAR MAYO CLINIC: I recently read that long QT syndrome is quite common. What is it, and how is it diagnosed? I have read that fainting may be one sign of the disorder. Can long QT syndrome be treated ...

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 ...