Patient Education Reference Library (PERL)
Item #: exh41469a
This set of medical illustrations depicts coronary artery stenosis with angioplasty. The drawings across the top depict the normal anatomy and pre-operative conditions. The first image shows the heart, indicating the location of a blockage within the left anterior descending (LAD) coronary artery. The second drawing depicts the normal anatomy of an open lumen within the LAD. The third image shows the actual condition, in which ninety percent of the lumen is occluded (blocked) by plaque. The drawings across the bottom depict the angioplasty. The first image depicts stent insertion, in which an angioplasty balloon encased in a stent is inserted into the occluded lumen. The second image shows balloon inflation, in which the inflated balloon expands the stent and the lumen. The third image shows balloon withdrawal, in which the deflated balloon is withdrawn, and the expanded stent remains within the lumen.
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