The axis of the ECG is the major direction of the overall electrical activity of the heart. It can be normal, leftward (left axis deviation, or LAD), rightward (right axis deviation, or RAD ...

The apical variant of hypertrophic cardiomyopathy does not result in septal Q waves as the sepum is normal in thickness in this condiction. The cardiac apex is thickened resulting in diffuse T ...

It takes time for newly discovered mutations associated with heart disease to become part of the clinical testing regimen. Many gene variants with proven influence on the course or treatment of ...

“Counterclockwise rotation” refers to a variant in which the transition ... with higher rates of other mild ECG abnormalities, including axis deviation, ST depression, atrial fibrillation ...