Gallagher, J J New catheter techniques for analysis of the sequence of retrograde atrial activation in man. [electronic resource] - European journal of cardiology - 1-14 p. digital Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. ISSN: 0301-4711 Subjects--Topical Terms: Arrhythmias, Cardiac--diagnosisAtrioventricular Node--physiopathologyCardiac Catheterization--methodsElectrocardiographyHumansTachycardia--physiopathology