calcific nodular aortic stenosis

cal·cif·ic nod·u·lar a·or·tic ste·no·sis

most common type of aortic stenosis, occurring usually in elderly men, in which the cusps contain calcified fibrous nodules on both surfaces; the causes include rheumatic fever, atherosclerosis, age-related degeneration, and congenitally bicuspid aortic valve.
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