The pace of technological advances in diagnostic imaging and point of care ultrasonography is staggering. Head-mounted displays, analogous to the heads-up display in use by jet pilots, can be integrated with imaging devices to overlay the image in the user’s field of view. There is a pressing need to study the technology and understand its role in clinical practice, particularly in improving patient safety and technical efficiency. In this issue of Anesthesiology, Jang et al. examine adopting a head-mounted display consisting of smart glasses during radial artery catheterization in pediatric patients younger than 2 yr. The head-mounted display projects a real-time ultrasound image directly in front of the operator’s field of view, allowing the operator to visualize the procedure field and the ultrasound display side by side without head movement.

We commend the authors on sound...

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