Aortic Valve Stenosis

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Aortic stenosis quantification

Slight Moderate Severe
PG max 15-40 mmHg 40-70 mmHg 70-100 mmHg (> 100 mmHg severe AoS)
PG mean <20mmHg 20-40mmHg> 40mmHg
AVA> 1.5cm2 1.5-1cm2 <1cm2
Dimensionless index> 0.50 0.25 to 0.50 <0.25
Vmax <3m/s 3-4m/s >4m/s
AVA BSAindex >0.85cm2/m2 0.85-0.60cm2/m2 <0.60cm2/m2