A preoperative carotid evaluation by a Duplex Scanner ATL Mark V has been carried out in 338 patients candidates to CABG. When a critical lesion was detected a digital angiography was subsequently performed. In 19 patients an operation was done because the coexistence of lesions in the carotids and the coronaries. The indications, the timing of the operations and the surgical approach are discussed. In the Author's minds the combined procedure seems to be advisable.