Exercise-induced TWN on IRLs at low work loads is a sensitive and specific index for the presence of residual viability in the infarct area. Sensitivity and diagnostic accuracy of this sign are higher for anterior infarctions.
We describe the case of a coronary artery with an intra-aortic course (a rare coronary anomaly) associated with the persistence of the left superior vena cava. The first finding could represent an important surgical risk factor and should be recognized before cardiac surgery; the latter is not yet reported in the literature. A modified surgical technique is described.
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