[On the relationships between antegrade and retrograde A-V conduction in atrial echoes].
D001145:Arrhythmias, Cardiac / Q000503:physiopathology*; D004562:Electrocardiography; D006327:Heart Block / Q000503:physiopathology*; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans
Sui rapporti tra conduzione A-V anterograda e retrograda negli echi atriali.