Sievers Classification (Bicuspid Aortic Valve)
Sievers Classification (Bicuspid Aortic Valve) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
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What this is
Sievers Classification (Bicuspid Aortic Valve) is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. Sievers Classification (Bicuspid Aortic Valve) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
When to use it
Use this tool when you need a quick, citable reference. Every calculation runs entirely in your browser - no inputs leave your device, no account is required, no AI is involved. The site enforces a strict Content Security Policy and ships no analytics or third-party CDN.
References
Sievers HH, Schmidtke C. A classification system for the bicuspid aortic valve from 304 surgical specimens. J Thorac Cardiovasc Surg. 2007;133(5):1226-1233. Read the source ↗
Worked example: Sievers type 1: one raphe, formed by the fusion of two underdeveloped cusps; the most common type.
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