1. Barts and The London NHS Trust NHS Barts and The London NHS Trust NHS AF ablations at SBH August 2008 – August 2009 Patients undergoing first ablation

2. Barts and The London NHS Trust NHS Type of AF (n= 132) (61) (71)

3. Barts and The London NHS Trust NHS Number of procedures and patients (n = 70) Number of procedures 1234 (n = 61)

4. Barts and The London NHS Trust NHS Complications (10.1.%) (2.8%) Procedural complications Total procedures = 179 Number of procedures with complications = 23 (13%) Patient complications Total patients = 132 Number of patients having complications = 21 (16%) (12.9%) (3.0%)

5. Barts and The London NHS Trust NHS Length of procedure Paroxysmal (n = 71 ) Persistent (n = 60) Time (mins) 225 315 1 st procedure2 nd procedure 240 263 Paroxysmal (n = 17 ) Persistent (n = 26)

6. Barts and The London NHS Trust NHS Time to follow up Paroxysmal (n = 71 ) Persistent (n = 58) 92 94 Days

7. Barts and The London NHS Trust NHS Follow up 132 71 PAF 49 (69%) Discharged 22 (31%) undergoing/ awaiting further treatment 61 Persistent 42 (69%) Discharged 19 (31%) undergoing/ awaiting further treatment

8. Barts and The London NHS Trust NHS Number of procedures and patients (discharged) 1234 (n = 49)(n = 42)

9. Barts and The London NHS Trust NHS Rhythm at final follow up ParoxysmalPersistent

10. Barts and The London NHS Trust NHS Symptoms at final follow up ParoxysmalPersistent