Electrocardiographic diagnosis of acute coronary syndrome in patients with endocavitary pacemakers.

Rev Esp Cardiol. 2009;62(9):1068-81 1079 surgically created.1,2 The norm is, as occurred in this case, the absence of an acP potential in the ablation exit point, due to the fact that these pathways are a consequence of a direct connection between the atrial appendage and the ventricular myocardium. Ablation from the right atrial appendage usually requires its isolation with the applications of the atrial appendage that joins the ventricle, which usually obliges to use numerous applications.3 It could be necessary on occasion to use irrigated tip catheters due to the limited blood flow in the interface between the catheter and the atrial appendage trabeculated surface, or an epicardial, surgical or percutaneous approach.1,4