Heart rate and systolic time intervals in healthy newborn infants: Longitudinal study

Ventricular systolic time intervals by s

Ventricular systolic time intervals by simultaneous echocardiographic recording of the semilunar valves during the first days of life: A study of normal newborn infants

✍ Yoshiro Yoshida; Barry G. Baylen; George C. Emmanouilides; Mary Knouse 📂 Article 📅 1983 🏛 John Wiley and Sons 🌐 English ⚖ 634 KB

A modified ultrasonic method was used to image simultaneously the semilunar valves in order to study comparative neonatal right and left ventricular systolic time intervals (STI) and phasic respiration. We obtained 72 serial M-mode echocardiograms from 24 normal term infants during the first 3 days