[Age-related decrease in amplitude of f wave in chronic atrial fibrillation].
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000375:Aging; D001281:Atrial Fibrillation / Q000503:physiopathology*; D002908:Chronic Disease; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged