Unlike user-generated content, every clip in the Rumack library was vetted by leading radiologists. In 2021, the editorial team added overlay graphics that highlight anatomical landmarks as the probe moves. This "active learning" feature helps novices understand why a gallbladder looks anechoic or how to differentiate a simple cyst from a solid mass in real-time.
The library includes demonstrations of 3D and 4D imaging , contrast-enhanced ultrasound (CEUS) , and elastography . rumack ultrasound videos 2021