Association between left atrial myocardium and coronary sinus muscular sleeve: Insights from left-sided concealed accessory pathway.
Left-sided concealed accessory pathways (LCAPs) are a common cause of paroxysmal supraventricular tachycardia (PSVT) treated with radiofrequency ablation (RFA); however, the inferoposterior myocardial bundle, myocardial sleeve connections between the left atrium and coronary sinus (LA-CS), and the creation of mitral is...