Successful Thrombolytic Therapy for Floating Aortic Arch Thrombus in a Patient with Essential Thrombocytosis: A Case Report

The use of endocardial pacing in patients with univentricular hearts is limited. However, it may be the better option when the risk of surgery is high. We report a case of complete heart block who underwent left ventricular endocardial pacing due to the high risk of epicardial lead placement.