A simple ratio of VTI (LVOT) to VTI (aortic stenosis) provides a convenient guide to severity. A ratio of <0.25 is generally consistent with severe and >0.3 with mild or moderate aortic stenosis ...

The Vanguard Total Stock Market Index Fund (VTI) and the Vanguard S&P 500 ETF (VOO) separately provide low-cost exposure to the best stocks in the U.S. Despite that similarity, the two funds don't ...