History of atrial fibrillation
Item
Documented (12-lead ECG) history of symptomatic atrial fibrillation occurring between 48 hours and 6 months before screening
boolean
C0004238 (UMLS CUI-1)
C1623258 (UMLS CUI-2)
Cardioversion
Item
procedure of cardioversion (electric shock to correct abnormal rhythm)
boolean
C0013778 (UMLS CUI-1)
Anticoagulation
Item
Patient anticoagulated according to the recommendations of the Study Group on Atrial Fibrillation of the European Society of Cardiology guidelines
boolean
C0449867 (UMLS CUI-1)
Previous cardioversions
Item
Previously unsuccessful electrical cardioversions
boolean
C0013778 (UMLS CUI-1)
Antiarrhythmic drugs
Item
Failed to respond to any Class III antiarrhythmic drugs
boolean
C0003195 (UMLS CUI-1)
Qualifying arrhythmia
Item
Qualifying arrhythmia due to acute reversible illness, acute myocardial infarction, and/or cardiac or thoracic surgery within one month prior to randomization
boolean
C0003811 (UMLS CUI-1)