title: Detection of thrombus before ablation for atrial fibrillation: focus determines reality.
authors.forename: John N
authors.initials: JN
authors.lastname: Hill
mesh_terms: D001281:Atrial Fibrillation / Q000601:surgery*; D017115:Catheter Ablation / Q000706:statistics & numerical data*; D005260:Female; D006325:Heart Atria; D006801:Humans; D015994:Incidence; D008297:Male; D008875:Middle Aged; D011667:Pulmonary Veins / Q000601:surgery*; D018570:Risk Assessment / Q000379:methods*; D012307:Risk Factors; D013318:Stroke Volume; D013927:Thrombosis / Q000453:epidemiology*; D016896:Treatment Outcome