Aortic Stenosis Intervention Navigator
Evaluate AVR indication class and approach guidance based on AS severity, symptoms, and patient profile.
Clinical inputs
Enter available information — partial input is supported.
Severity & symptoms
AS severity
Select the confirmed or working severity classification.
Symptom status
Additional parameters
< 50% supports Class I indication in asymptomatic severe AS
Very severe gradient
Vmax ≥ 5.0 m/s or mean gradient ≥ 60 mmHg
Concomitant cardiac surgery planned
CABG, mitral valve repair, or other cardiac surgery requiring sternotomy
Rapid hemodynamic progression
Vmax increase ≥ 0.3 m/s/year
Exercise stress test result
Approach assessment
Surgical risk (STS score or clinical assessment)
Age group
Life expectancy
Transfemoral TAVI access
Frailty
Indication
Select AS severity to see the indication assessment.
Back to AS Severity Tool
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