A study of ventricular ectopy during atrial fibrillation.
D001281:Atrial Fibrillation / Q000150:complications / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006352:Heart Ventricles; D006801:Humans; D008875:Middle Aged; D013610:Tachycardia / Q000150:complications / Q000503:physiopathology*