A case of normal coronary infarction after intracoronary thrombolysis with urokinase

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Abstract
We report the case of a 50-year-old male who had classical ECG signs of inferior wall myocardial infarction. Intracoronary thrombolysis resulted in fragmentation of a thrombus in the lumen of the right coronary artery. Angiography 1 month later showed no abnormalities at the site of previous thrombus. Ergonovine stress did not produce spasm. We conclude that (1) a mild cardial infarction can occur with an occlusive thrombus arising in angiographically normal coronary arteries; (2) transient change in minimal atheromata or spasm may induce such thrombi; and (3) thrombolytic therapy may be able to expedite recanalization of the occluded artery and salvage the myocardium.