title: Echocardiographic evidence of increased obstruction following long cycle lengths in atrial fibrillation in patients with hypertrophic cardiomyopathy.
mesh_terms: D001281:Atrial Fibrillation / Q000150:complications / Q000503:physiopathology*; D002312:Cardiomyopathy, Hypertrophic / Q000150:complications / Q000503:physiopathology*; D004452:Echocardiography; D005260:Female; D006801:Humans; D008875:Middle Aged