2022 HI (12 HR) Track B – Digital Radiology B, Ethics & Law, Technique This HI track B 12 hr seminar consists of 5 hr Digital Radiology B, 3 hrs of Ethics & Law , plus 4 hr of Technique. admin 2022 – CA (4 Hr) Technique- by Dr. Cooperstein 2024 CA (12 HR) Track A- Digital Radiology, Physical Exam Documentation & Nutritional Ethics