Radiofrequency Ablation of Atrial Fibrillation Under Apnea

Exclusion Criteria

• •Patients with persistent or permanent atrial fibrillation or prior atrial fibrillation ablation.
• •Significant chronic obstructive pulmonary disease (such as those requiring home oxygen).
• •Severe pulmonary hypertension.
• •Other intrinsic lung pathology such as interstitial lung disease.
• •Severe systolic dysfunction defined as left ventricular ejection fraction \< 30%.