title: Increase in threshold to ventricular activation related to atrial contraction: a possible example of  Wedensky inhibition".
mesh_terms: D006328:Cardiac Catheterization; D004562:Electrocardiography; D004594:Electrophysiology; D005071:Evoked Potentials; D006327:Heart Block / Q000209:etiology / Q000628:therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications; D010138:Pacemaker, Artificial