Paroxysmal atrial fibrillation.
Long-standing persistent or permanent atrial fibrillation.
Previous pacemaker implantation.
Previous atrial ablation.
Patient is unable to take warfarin or other oral anti-coagulant medication.
Patient is suffering with unstable angina in last one week.
Patient has had a myocardial infarction within last two months.
Patient is expecting or has had major cardiac surgery within last two months.
Patient is participating in a conflicting study.
Patient is unable to perform exercise testing.
Patient is mentally incapacitated and cannot consent or comply with follow-up.
Patient has New York Heart Association (NYHA) class III/IV heart failure.
Patient has left ventricular ejection fraction (LVEF) less than 35% not secondary to tachycardia.
Pregnancy.
Patient suffers with other cardiac rhythm disorders.
Recent coronary artery intervention or other factors suggesting clinical instability (ECG, clinical or laboratory findings).

NCT02528604_exc_T1
Condition
Paroxysmal atrial fibrillation
NCT02528604_exc_T2
Condition
atrial fibrillation
NCT02528604_exc_T3
Qualifier
persistent
NCT02528604_exc_T4
Qualifier
permanent
NCT02528604_exc_T5
Scope
persistent or permanent
NCT02528604_exc_T6
Device
pacemaker implantation
NCT02528604_exc_T7
Procedure
atrial ablation
NCT02528604_exc_T8
Mood
unable to take
NCT02528604_exc_T9
Drug
warfarin
NCT02528604_exc_T10
Drug
oral anti-coagulant medication
NCT02528604_exc_T11
Scope
warfarin or other oral anti-coagulant medication
NCT02528604_exc_T12
Condition
unstable angina
NCT02528604_exc_T13
Temporal
last one week
NCT02528604_exc_T14
Condition
myocardial infarction
NCT02528604_exc_T15
Temporal
last two months
NCT02528604_exc_T16
Procedure
major cardiac surgery
NCT02528604_exc_T17
Temporal
last two months
NCT02528604_exc_T21
Measurement
New York Heart Association
NCT02528604_exc_T22
Measurement
NYHA
NCT02528604_exc_T23
Value
class III/IV
NCT02528604_exc_T24
Condition
heart failure
NCT02528604_exc_T25
Measurement
left ventricular ejection fraction
NCT02528604_exc_T26
Measurement
LVEF
NCT02528604_exc_T27
Value
less than 35%
NCT02528604_exc_T28
Mood
not secondary to
NCT02528604_exc_T29
Condition
tachycardia
NCT02528604_exc_T30
Condition
Pregnancy
NCT02528604_exc_T31
Condition
cardiac rhythm disorders
NCT02528604_exc_T32
Qualifier
other
NCT02528604_exc_T33
Procedure
coronary artery intervention