Sixty SD rats of either sex, weighing 150-280g , were divided into control ( C ), vitamin E(Vit E)and SOD groups. An anesthetized open-chest preparation with LCA occlusion was perfromed for 5min, and followed by 60 min reperfusion . ECG , arterial pressure (AP), left ventricular pressure ( LVP ) , dP/dt and epicardial map-ping
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