The Association of American Medical Colleges (AAMC) has written an article about ultrasound education at the medical school level. In the current edition of their widely distributed publication The Reporter, they describe programs at the University of South Carolina School of Medicine, University of California (Irvine) School of Medicine, and the Mount Sinai School of Medicine.
The article notes,
With rapid advancements in ultrasound technology, such scenarios as this are becoming more commonplace, as a handful of the nationâ€™s medical schools make ultrasound training a standard part of the curriculum. And there is a push to encourage more schools to use ultrasound.
The full article is available here.