Said Alsidawi

[Said Alsidawi @alsidawimd]

@BryanTanMD @iamritu @JournalASEcho @MayoClinicCV @pattypellikka @ASE360 @BonitaEcho @LucySafi @DocStrom @rajdoc2005 @PPibarot 1- SVI of 35 as the normal cut off is arbitrary. It is a spectrum and many with higher SVI are in a low flow state.
2- A valve area of 1 cm2 usually does not translate into a MG of 40. Usually 0.8.

These are some explanations for the discrepancy when measurements are verified.

[Ritu Thamman MD @iamritu]

What’s the main measurement error in normal flow low gradient NFLG aortic stenosis?

over tracing of LVOT VTI due to misplacement of pulsed Doppler sample volume

results in overestimating stroke volume

which misclassifies a lot of patients with LFLG AS as NFLG AS https://t.co/xbWItLZzYR

True NFLGAS has lower AVC 44%, larger AVA & lower mortality

[Said Alsidawi @alsidawimd]

Normal flow low gradient severe AS is common and remains a challenge. We here tried to better understand the severity and outcomes post TAVR in this population @ASE360

https://t.co/5Aiah7tPAg