title: Evaluation of demand pacemakers by chest wall stimulation.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000209:etiology; D004558:Electric Stimulation; D004562:Electrocardiography; D005069:Evaluation Studies as Topic; D006329:Heart Conduction System / Q000502:physiology; D006801:Humans; D008722:Methods; D008954:Models, Biological; D010138:Pacemaker, Artificial; D013909:Thorax