Villarroel-Ábrego H, Ferrari ADL. QAOS (QUICK ASSESSMENT OF SYNCHRONY) PROTOCOL: AN ECHOCARDIOGRAPHIC STRATEGY FOR THE ASSESSMENT OF PACEMAKER-INDUCED CARDIAC DYSSYNCHRONY. Editora [Internet]. 2026 Feb. 9 [cited 2026 Mar. 4];:284-303. Available from: https://sevenpubl.com.br/editora/article/view/9317