During revascularisation procedures repeated left ventriculography using iodine contrast materials may be an unnecessary burden on left ventricular performance. We therefore investigated in 10 patients the diagnostic quality of low dose ventriculography using a video image processor which enhanced digi tal left ventricular images. It is concluded that low dose ventriculography using up to 70% dilution of contrast can be diagnostic in 90% of all cases, depending of the side of interest.
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