Low gradient, low flow aortic stenosis
Low Flow Low Gradiant AS
Low Flow Low Gradiant AS is defined as
Stroke volume indexed to body surface area <35 mL/m2 and/or a cardiac index <3 l/min/m2 and low gradient by a MG <40 mmHg
Paradoxical LF-LG AS is defined as
Paradoxical LF-LG AS
Paradoxical LFLG AS is defined as having an AVA of ≤1 cm2 (or indexed AVA <0.6 cm2/m2), mean gradient of <40 mmHg, stroke volume index (SVI) of 50%.
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