简介:Bodysurfacepotentialmapping(BSPM)isarecentlydevelopednoninvisivecar-dioelectrophysiologicdiagnostictechnique.Thepurposeofthepresentstudyistoe-valuatetheefficacyandsignificanceofpercutaneoustransluminalcoronaryangioplas-ty(PTCA)usingaBSPM-Ⅲmodelcomputersystem.7patientswitheoronaryheartdiseasewerestudiedpriortoandfollowingPTCAusing98leadsBSPMwithspecial