after 15 minutes of coronary artery occlusion , the ischemic myocardium at risk of necrosis was determined by labeling the heart with technetium-99m-labeled human albumin microspheres injected into the systemic circulation through the left atrium , and the dogs were than randomized to either a saline-treated control group ( n = 13 ) or an amiodarone-treated group ( n = 11 ) that received i.v . amiodarone , 10 mg/kg , administered in a single bolus 30 minutes after coronary artery occlusion .
C0018787
heart
C0225860
left atrium