I am the sole author of all of the text in these Word & Powerpoint files except as academically cited. I hold copyrights in various venues on most of this material. The images contained herein are mostly those acquired over 30 years in sonography-related academic endeavors by myself and by my students, friends, and colleagues. Some images are from the public domain and most of these date back several years. To my knowledge there are no images here that have copyright restrictions other than my own.