Dobutamine Stress Echocardiography in Low-Gradient Aortic Stenosis

🆕📝optimal cutoff points for severe AS vary by range of LVEF (<35%, 35%-50%, >50%) https://t.co/kxWHe6if6z 🫀If LVEF <35%, use MG of 30 rather than 40 for severe AS 🫀MG & Vmax better than AVA in Dx severe AS adjudicated by C-CT 🫀In LG AS w LVEF <35%, DSE finds contractile… https://t.co/t6jW8pSDbf https://t.co/4BtHgwG39F