LV diastolic function grading and LAP estimation
Atria and diastolic function
Text of this figure
- LV diastolic function grading and LAP estimation
- None
- ≥1 present
- If symptomatic
- 1. Reduced e′ velocity: septal ≤6 or lateral ≤7 or average ≤6.5 cm/s*
- 2. Increased E/e′: septal ≥15 or lateral ≥13 or average ≥14
- 3. Increased TR velocity ≥2.8 m/s or PASP ≥35 mm Hg
- Except in:
- MAC, MR, MS¶
- Atrial fibrillation; LVAD
- Non-cardiac PH; HTX
- Pericardial constriction
- All normal
- Reduced e′ only
- Increased TR/PASP only or
- increased E/e′ only or
- any 2 abnormal variables
- 3 of the above
- E/A ≤0.8
- E/A >0.8
- Pulmonary vein S/D ≤0.67 or
- LARS ≤18% or LAVi >34 mL/m²
- Alternatively
- IVRT ≤70 ms
- If none available or reliable use
- supplemental methods†
- Normal LAP
- Increased LAP
- Normal DF
- Grade 1
- Diastolic exercise echo
- E/A <2
- E/A ≥2
- Grade 2
- (Mild/Mod ↑ LAP)
- Grade 3
- (Marked ↑ LAP)
- Source: Recommendations for the Evaluation of Left Ventricular Diastolic Function by Echocardiography and for Heart Failure With Preserved Ejection Fraction Diagnosis: An Update From the
- American Society of Echocardiography (2025), Figure 3.
- Please read the full document from the ASE.
Redrawn as a flowchart from the published document named in the figure. Read the full document for context and the figures' complete notes.