This is seen as abnormal rapid leftward motion of the septum during preejection followed by rightward (paradoxical) motion.2012, Catherine M. Otto, The Practice of Clinical Echocardiography, →ISBN, page 191:
Yes, the Democratic Party's sharp leftward pivot might have nuked the Never Trump movement all on its own, because it is leaving no sane alternatives to [Donald] Trump.2019 March 25, Tiana Lowe, “How the Russia #Resistance nuked the Never Trump movement”, in Washington Examiner, Washington, D.C.: MediaDC, Clarity Media Group, →ISSN, →OCLC, archived from the original on 25 Mar 2019:
Rightward and leftward rise the rocks1801, Robert Southey, “The Sixth Book”, in Thalaba the Destroyer, volume II, London: […] [F]or T[homas] N[orton] Longman and O[wen] Rees, […], by Biggs and Cottle, […], →OCLC, page 18: