Martínez Sande, José LuisGonzález Melchor, LailaGarcía Seara, Francisco JavierRodríguez Mañero, MoisésFernández López, Xesús AlberteGonzález Juanatey, José Ramón2022-03-252022-03-252021HeartRhythm Case Reports 12 (2021) 797-800. https://doi.org/10.1016/j.hrcr.2021.07.004http://hdl.handle.net/10347/27769Sinus venosus atrial septal defect (SVASD) is an interatrial communication caused by a deficiency of the common wall between the superior vena cava and the right-sided pulmonary veins. Implantation of a conventional pacemaker in this setting can be challenging. We report the feasibility of leadless pacemaker (LPM) implantation assisted by imaging integration and electroanatomical mappingeng© 2021 Heart Rhythm Society. Published by Elsevier Inc. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/)http://creativecommons.org/licenses/by/4.0/Congenital heart diseaseElectroanatomical mapping systemLeadless pacemakerSinus venosus atrial septal defectUltrasound intracar- diac imaging catheterjournal article10.1016/j.hrcr.2021.07.0042214-0271open access