…In the fetus, as well as in the newborn, the QRS complex is dominated by electrical currents generated by the right ventricle. Large R waves…

…the fetal period. In the fetus, as well as in the newborn, the QRS complex is dominated by electrical currents generated by the right ventricl

…all Western countries. According to a Cochrane review, for every 10,000 apparently healthy newborn infants, around six will have critical CHD, and the pulse…

…the heart rate, the electrical axis and the waveform in the newborn differ markedly from adult reference values and normalise gradually through childhood. The interpretation…

…a rising pCO₂ and respiratory acidosis, or a markedly increased work of breathing with impending exhaustion. Threatened airway obstruction: inhalation injury, anaphylaxis, deep neck infection…

…the QRS complex. Axis deviation: right axis deviation (RAD) and left axis deviation (LAD) Causes of right axis deviation Normal in newborns. Right ventricular hypertrophy…

…I and II. Heart axis deviation: right axis deviation (RAD) and left axis deviation (LAD) Causes of right axis deviation Normal in newborns. Right ventricular…

…the heart rate is steadily decreasing, and by age 10 years the rate is the same as in adults. These age variations in heart rate…