Rumack Ultrasound Videos — 2021

It seems you're referring to a specific post or video collection from 2021 related to (likely referring to Dr. Jacques Rumack, a figure in point-of-care ultrasound education, or possibly the "Rumack" as in the Rumack & Sirlin ultrasound physics/resources).

The 2021 series introduced new cine-loop examples of non-compressible venous segments in deep vein thrombosis (DVT). For carotid imaging, the videos demonstrated color Doppler aliasing as a clue to significant stenosis—a feature that many static textbooks fail to convey effectively. rumack ultrasound videos 2021