in open-chest dogs , as in isolated hearts with partial coronary occlusion , subendocardial ( average 20 % ) saturations were not significantly diffenent from each other and ranged from 0 to 70 % , suggesting the possibility of significant differences either in regional coronary flow or mvo2 , or both , in closely adjacent areas throughout the myocardium .
C0018787
hearts
C0027061
myocardium