PCWP / LAP via E/e′ (Nagueh)

Left atrial pressure / PCWP estimated from the E/e′ ratio using the Nagueh regression.

Shared values — enter once, reused everywhere

Height

Weight

Heart rate

bpm

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E/e′ ratio (average)

LAP ≈ 14 mmHg

A regression estimate — use the ASE algorithm for a categorical judgement

Worked steps

Nagueh regression
LAP = 1.9 + 1.24 × (E/e′) = 1.9 + 1.24 × 10.0 = 14 mmHg

Reference: Nagueh et al. The regression is unreliable in the 'grey zone', with mitral disease, heavy annular calcification or constrictive physiology. Prefer the 2016 algorithm for grading.

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