Diastolic assessment in significant mitral regurgitation
Find the filling-pressure pathway for significant mitral regurgitation, with the measurements and qualifications specific to that method.
Method
2025 ASE Table 7 · MR-specific filling-pressure indicators
Use the measurement units shown below. Some fields apply only to a selected method or condition; follow the interactive tool’s method choices. The interactive tool keeps missing measurements incomplete and provides its method-specific results and reference context.
Measurements and acquisition
LVEF
Enter the measured value in the displayed unit
- Depressed
- Preserved
- Confirm the variable matches the selected formula.
- Use the unit displayed beside the field.
- Keep measurements from the same representative hemodynamic state.
IVRT ms
Spectral Doppler timing · Optional
- Use a sweep speed that clearly shows the interval boundaries.
- Measure from the specified onset to offset.
- Average representative beats using consistent rhythm handling.
Pulmonary vein Ar duration ms
Spectral Doppler timing · Optional
- Use a sweep speed that clearly shows the interval boundaries.
- Measure from the specified onset to offset.
- Average representative beats using consistent rhythm handling.
Mitral A duration ms
Spectral Doppler timing · Optional
- Use a sweep speed that clearly shows the interval boundaries.
- Measure from the specified onset to offset.
- Average representative beats using consistent rhythm handling.
R peak → E onset ms
Spectral Doppler timing · Optional
- Use a sweep speed that clearly shows the interval boundaries.
- Measure from the specified onset to offset.
- Average representative beats using consistent rhythm handling.
R peak → e′ onset ms
Spectral Doppler timing · Optional
- Use a sweep speed that clearly shows the interval boundaries.
- Measure from the specified onset to offset.
- Average representative beats using consistent rhythm handling.
Mitral E cm/s
PW Doppler at the mitral leaflet tips · Optional
- Place the PW sample between the mitral leaflet tips.
- Record at end-expiration with a clear E and A wave.
- Measure the requested peaks or trace the requested envelope.
Septal e′ cm/s
PW tissue Doppler at the mitral annulus · Optional
- Place the sample at the septal or lateral mitral annulus.
- Use tissue-Doppler settings and align with annular motion.
- Measure the early diastolic e′ peak and average representative beats.
Lateral e′ cm/s
PW tissue Doppler at the mitral annulus · Optional
- Place the sample at the septal or lateral mitral annulus.
- Use tissue-Doppler settings and align with annular motion.
- Measure the early diastolic e′ peak and average representative beats.
Sources and method context
American Society of Echocardiography · 2025 · Evaluation of Left Ventricular Diastolic Function and HFpEF Diagnosis · Table 3 acquisition · Table 7 PDF p. 21 · MR section PDF p. 22
- Timing acquisition · Table 3 · PDF pp. 5, 7, 9
Same-beat CW IVRT, baseline Ar/A durations and matched ECG R-peak-to-onset E/e′ intervals.
- MR-specific indicators · Table 7 · PDF p. 21
IVRT, Ar−A duration, IVRT/T(E−e′), and restricted use of E/e′ when LVEF is depressed.
- MR limitations · Section 15A(b) · PDF p. 22
Effects of important MR on mitral and pulmonary-vein signals and the need for integrative interpretation.
Catalogue review status: Exact guideline locator mapped · clinical sign-off pending
These pages describe the educational tool. Interpret measurements with the complete clinical context and the method’s acquisition limitations.