Material and methods: All newborn infants with umbilical vascular catheterization for more than 6h duration were included in this study. Color Doppler ultrasonography was performed within 24-48 ...

However, pediatric vascular access can be a particular challenge ... palpation, and audio Doppler. “This is of particular benefit in neonates, infants, and small children, permitting an increase ...

Performs advanced cardiac and vascular circulation diagnostic exams using echo, ultrasound, and/or Doppler equipment.