Why ECG matters: An ECG records the heart’s electrical activity, helping detect rhythm problems, heart attacks, and conduction issues early. PQRST decoded: Each ...

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 ...

Schizophrenia was associated with cardiac electrical instability, suggesting arrhythmic vulnerability was an intrinsic ...