[Answered]: During an assessment of coronary artery disease…

During an assessment of coronary artery disease severity using cardiac catheterization, a patient is found to have a significant stenosis in the proximal left anterior descending artery. At what percentage of luminal narrowing is the stenosis typically considered to be critical? ◯ 80% luminal stenosis ◯ 60% luminal stenosis ◯ 50% luminal stenosis ◯ 70% luminal stenosis