RT Journal Article SR Electronic T1 Acute native aortic regurgitation: clinical presentation, diagnosis and management JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP heartjnl-2021-320157 DO 10.1136/heartjnl-2021-320157 A1 Jay Voit A1 Catherine M Otto A1 Christopher R Burke YR 2022 UL http://heart.bmj.com/content/early/2022/05/30/heartjnl-2021-320157.abstract AB