Evaluation for the Characterization of the Safety Profile of the DiamondTemp™ System for Fast Treatment of Patients With Atrial Fibrillation

Inclusion Criteria: * Suitable candidate for intra-cardiac mapping and ablation for arrhythmias * History of recurrent symptomatic PAF with ≥2 episodes reported within the 365 days * (12) months prior to enrollment * At least 1 episode of AF documented by Holter monitor, rhythm strip, trans-telephonic monitor (TTM), or 12-lead ECG prior to enrollment * Refractory to at least one Class I-IV anti-arrhythmic drug (AAD) * Eighteen (18) years of age or above Exclusion Criteria: * Previous left atrial ablation procedure * Intracardiac thrombus, tumor or other abnormality that precludes catheter introduction and placement * Known severe cerebrovascular disease or history of cerebrovascular event (\< 1 month) * Subjects with severely impaired kidney function as measured by a Cockcroft-Gault Glomerular Filtration Rate (GFR)3 with a GFR ≤ 29. Active gastrointestinal bleeding * Active infection or fever (\>100.5 F/38 ◦C) * Sepsis * Cardiac surgery within the past two months. * Short life expectancy (\<1 yr.) due to other illnesses, such as cancer or pulmonary, hepatic, or renal disease Significant anemia (hemoglobin \< 8.0 mg/dL) * Severe uncontrolled systemic hypertension (systolic pressure \> 240 mm Hg within the last 30 days) * Documented anaphylaxis during previous exposure to angiographic contrast media * Uncontrolled congestive heart failure (NYHA1 Class III or IV) * Unstable angina or acute myocardial infarction within the past three months * Bleeding, clotting disorders, or known thrombosis * Severe Peripheral vascular disease * Uncontrolled diabetes * Heart valve replacement * Mitral clip (E-valve) * Women who are of childbearing potential who are currently pregnant or not willing to use contraception for the duration of the study * Active participation in another investigational protocol currently or the last 30 days * Unable or unwilling to take anti-coagulants * Unwilling or unable to comply with any protocol or follow up requirements