title: Inhibition of transvenous pacing through the coronary sinus by the atrial P wave: diagnosis with the aid of isoproterenol.
mesh_terms: D017023:Coronary Angiography; D003331:Coronary Vessels / Q000187:drug effects / Q000503:physiopathology*; D004562:Electrocardiography / Q000187:drug effects*; D004868:Equipment Failure; D006325:Heart Atria / Q000000981:diagnostic imaging / Q000187:drug effects / Q000503:physiopathology; D006327:Heart Block / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000628:therapy; D006801:Humans; D007545:Isoproterenol; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial
chemical_list: D007545:Isoproterenol