Relative Wall Thickness (RWT) Calculator
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About This Calculator
Relative Wall Thickness (RWT) is a geometric index used in echocardiography to assess the pattern of left ventricular remodeling. It is calculated as:
RWT = (2 × PWd) / LVEDD
Interpretation commonly used in clinical practice:
References
- RWT ≤ 0.42 → Normal geometry or eccentric hypertrophy
- RWT > 0.42 → Concentric remodeling or concentric hypertrophy
1. Lang RM et al. Recommendations for Cardiac Chamber Quantification by Echocardiography. JASE, 2015.
2. Marwick TH. Clinical Utility of LV Geometry in Cardiovascular Risk Stratification. JACC Imaging, 2009.
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