How are aortic valve leaflets determined in aortic stenosis (AS)?

Updated: May 07, 2019
  • Author: Xiushui (Mike) Ren, MD; Chief Editor: Terrence X O'Brien, MD, MS, FACC  more...
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It is worthwhile to note that although differentiation between tricuspid and bicuspid aortic stenosis is frequently made, it is often difficult to determine the number of aortic valve leaflets. A study comparing operatively excised aortic valve structure evaluation by cardiac surgeons versus pathologists found that valve structure determination was frequently incongruous. [10]

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