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Moderate gradient severe aortic stenosis: diagnosis, prognosis and therapy
Aortic stenosis (AS) is defined as severe in the presence of: mean gradient ≥40 mmHg, peak aortic velocity ≥4 m/s, and aortic valve area (AVA) ≤1 cm(2) (or an indexed AVA ≤0.6 cm(2)/m(2)). However, up to 40% of patients have a discrepancy between gradient and AVA, i.e. AVA ≤1 cm(2) (indicating sever...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Oxford University Press
2021
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8503314/ https://www.ncbi.nlm.nih.gov/pubmed/34650372 http://dx.doi.org/10.1093/eurheartj/suab108 |