title: INTRINSICOID ATRIAL P-WAVE DEFLECTIONS IN UNIPOLAR INTRACARDIAC ELECTROGRAMS.
mesh_terms: D006328:Cardiac Catheterization; D004562:Electrocardiography; D022062:Electrophysiologic Techniques, Cardiac; D006325:Heart Atria; D006329:Heart Conduction System; D006801:Humans; D010827:Physiology
keywords: ELECTROCARDIOGRAPHY; HEART CATHETERIZATION; HEART CONDUCTION SYSTEM; PHYSIOLOGY