title: Myopotential inhibition of demand pacemakers.
mesh_terms: D000200:Action Potentials; D004562:Electrocardiography; D004576:Electromyography; D006801:Humans; D008297:Male; D008875:Middle Aged; D009132:Muscles / Q000502:physiology*; D010138:Pacemaker, Artificial / Q000009:adverse effects*; D010369:Pectoralis Muscles / Q000502:physiology; D005082:Physical Exertion