Ventricular depolarization and repolarization processes are discussed. including their differences and heterogeneity both in patients with a healthy/sick heart. a matter of ranges. Measurements expressing the characteristics of ventricular repolarization are analyzed: the QT interval and other even more reliable measurements such as the TPEAK-TEND interval. https://parisnaturalfoodes.shop/product-category/dry-damaged-shampoo/