to determine the rate of infarct evolution in an end-artery coronary preparation similar to the coronary arterial system of the human heart , each of 84 swine underwent a reversible occlusion of the left anterior descending coronary artery for varying lengths of time , after which flow was reestablished into the occluded region for either 2 or 48 hr .
C0018787
heart
C0226032
left