Continuity equation — AVA (VTI method)
Aortic valve area from the LVOT diameter, LVOT VTI and aortic valve VTI. Conservation of flow: stroke volume through the LVOT equals stroke volume through the valve.
Shared values — enter once, reused everywhere
bpm
Enter height and weight to derive BSA for indexed results (AVA index, cardiac index). Stays in your browser; nothing is sent anywhere.
Shared value
Enter LVOT diameter (shared, above), LVOT VTI and AV VTI.
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