Hi Abigail,
As a long time medical professional myself I can appreciate the value and abundance of procedure or topic-specific video or DVD, especially as compared to what preceded that mediium - the film (that required a projector and limited availability of titles). The drawback I've experienced with video's is availability of a working TV with VCR attached, missing remote, and either DVD or video is static in that they require no real engagement other than viewing.
With DVD or video, I've stopped or paused the presentation and discussed a portion of it, then resumed. I once had a B/P… >>>