“…Furthermore, in the Yeap et al study, 6 it is difficult to determine whether the teaching method or prior experience was more helpful to the residents' proficiency with TEA placement. In order to validate the effectiveness of teaching methods (bedside education v video-based), it would be optimal to select residents who previously had performed lumbar epidural blocks but had not been exposed to TEA catheter placement; in other words, just novice residents.…”