Medicine Grand Rounds, October 18, 2019, Jonathan L. Halperin, MD, Robert and Harriet Heilbrunn Professor of Medicine, The Cardiovascular Institute, Mount Sinai Medical Center, New York, NY. To register for CME credit, please click this link: https://ce.dartmouth-hitchcock.org/Activity/6931762/Detail.aspx, or copy and paste it into the address bar of your web browser.