I thought my gradient at 60 mm was considered bad. You top mine, don’t know why valve surface area appears moderate and not severe. Go get your surgery you probably have crap hanging on valve waiting to be dislodged and potentially could mean lights out. I regret not doing mine sooner and being scared. That’s a steep drop off where you are on your gradient. Mortality rate will exponentially go up as time marches forward. Glad it’s in my rear-view mirror , good luck.
"Crap hanging on valve" is exactly what I had. And it led to a heart attack two years ago, at age 41. 100% blockage of the LAD (for those who don't know, the LAD is the coronary artery that some call "the widowmaker"). Fortunately, it happened at work and I work in a pathology department which was 5 floors up from the ER. I was stented within an hour, so no lasting problems with my heart. If it happened at home, I may not have been so lucky. The doctors diagnosed me with coronary artery disease which is what they tend to do after a heart attack.
Here I am two years later and I've had two of the top surgeons in the country (Svensson and Bavaria) both independently tell me I have no signs of coronary artery disease and that the most likely culprit was the severe calcifications on my aortic valve dislodged and blocked my LAD. Svensson (who did the surgery) said the valve was "like sandpaper" when he took it out. He also said that patients with such severe calcifications often present with stroke.
In hindsight, I should have had it done 2+ years ago to avoid the heart attack -- back when I was "moderate"! It wasn't the gradients that almost killed me, it was the calcifications.