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

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 ...

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 ...