If the doctor determines that there are other blockages of indeterminate severity (≥20%-≤70% blockage) that require NIRS/IVUS assessment to better assess the severity of the blockage or that angioplasty and/or stenting is necessary the NIRS/IVUS catheter will be used. If severe non-culprit blockages are incidentally identified, they may be treated at the discretion of the operator. After the invasive coronary catheterization patients will follow Beaumonts standard post procedureal treatment guidlines.