For some time Ross Rosen has been one of our most important, successful, and innovative pulse instructors. He also has established one of the most successful practices of Chinese medicine of which I am aware so that all that follows in this volume is grounded not only in a profound study of the classics and current scholarship but also in hands-on practice and a background in the martial arts and traditional Chinese esoteric ritualThis volume will establish Ross Rosen as a significant Chinese scholar-practitioner of our time and beyond. Heart Shock is one of the most thorough dissertations I have read on any subject in my long career in science. I feel qualified to speak to this subject in particular having been exposed for years to the clinical and conceptual observations on Heart Shock by Dr. John H.F. Shen with whom I apprenticed for many years and recorded them and my own in several published articles. Ross Rosen has placed this chosen subject, Heart Shock, within that context in his first part of this volume. He has then further and brilliantly expounded Heart Shock, synthesizing it precisely within the context of the human organism's sophisticated defensive system from the Qi to the Blood and Yuan levels as conceived progressively from the Nei Jing to the present as taught by Jeffrey Yuen.