Vascular Closure With a Device Compared to Manual Compression After Atrial Fibrillation Ablation: The LockeT II Study

Inclusion Criteria: * Must be at least 18 years of age * Be able to provide consent * Presenting for planned procedures that require percutaneous venous punctures, such as atrial fibrillation radiofrequency ablation, and where the physician utilizes a LockeT device or MC to close the wound. Exclusion Criteria: * Under the age of 18 * Unable to or unwilling to provide consent * Cannot comply with study requirements * Not undergoing procedures that require a percutaneous venous puncture or planned access to the left atrium and/or ventricle * Subjects whose physician does not use LockeT or MC to close the venous puncture. * Patient is currently pregnant, as evidenced by positive urine Beta-HCG. (Urine Beta Human chorionic gonadotropin (HCG) will be checked in all females of the reproductive age group). * If the physician detects a formed hematoma prior to venous closure, that patient will be excluded from the study.