aortic valve

What a stupid name. Nonetheless it’s what we’re stuck with. It is the ratio of LVOT VTI to AV VTI. Given that ALL ratios are dimensionless, you can see my chagrin. VTI LVOT / VTI AV LVOT is measured with pulse wave, to localise it to the LVOT AV VTI is measured with continuous wave, … Read more