Normal range of aortic diameters at the sinuses of Valsalva (95% confidence intervals; (A) <20 years; (B) 20–39; (C) ≥40 years). Reproduced with permission from Lang R, Bierig M, Devereux R, et al. Recommendations for Chamber Quantification. A report from the American Society of Echocardiography’s Nomenclature and Standards Committee, the Task Force on Chamber Quantification, and the European Association of Echocardiography. Eur J Echocardiogr 2006; 7: 79–108.