The normal electrocardiogram in the newborn and neonatal period and its progression

Description of the progression of the normal newborn and neonatal electrocardiogram (ECG) in the first year of life include dare the mechanisms for the changes in the muscle masses of the pulmonary and systemic circulations and the resulting affect on the electrocardiogram included also is a description of the T wave detailed as well is a description from data from northern Italy of the QT interval using a large population base.