“…2,6,10,12,13 Whether it is by sonographers, radiologists, or pulmonologists with appropriate skill, this is an established standard for ultrasound training with widespread support. The results reported by Brady et al 7 suggest a consistent relationship between expert review and learner comfort. They are right to describe their finding that expert review was available to just 26% of their respondents as "problematic," and one hopes this might have improved in the years since their survey.…”