Trees in the Heart Heart Systole and Diastole of the The Coronary Tree Ashley Davidoff MD Systole and Diastole of the The Coronary Tree Ashley Davidoff MD Systole and Diastole of the The Coronary Tree Ashley Davidoff MD Derivation The Coronary Artery Tree – Derivation First image is a heart specimen with barium injection into the coronary arteries. The image is then rendered into the shape of a tree Ashley Davidoff MD Copyright 2018 15009cd01.8