Castellanos, A Does complexity theory apply to the conduction ratios occurring during progression of stable atrial flutter with 2:1 into 4:1 atrioventricular block? [electronic resource] - The American journal of cardiology May 1995 - 947-9 p. digital Publication Type: Journal Article ISSN: 0002-9149 Standard No.: 10.1016/s0002-9149(99)80696-1 doi Subjects--Topical Terms: Atrial Flutter--complicationsAtrioventricular Node--physiopathologyDisease ProgressionElectrocardiography, AmbulatoryHeart Block--classificationHumansNonlinear Dynamics