Utilization of point-of-care ultrasound and associated factors among emergency physicians in Henan Province, China: a multicenter cross-sectional survey

POCUS was commonly reported among emergency physicians in Henan Province, but adoption was constrained by equipment and training gaps, with particularly low use during cardiac arrest. Institutional capacity appears to be an important correlate of POCUS uptake, supporting combined strategies of equipment provision and scalable competency-based training.