title: Rhythmic shoulder girdle muscle contractions as a complication in pacemaker treatment.
mesh_terms: D000368:Aged; D004562:Electrocardiography; D004566:Electrodes; D004576:Electromyography; D006801:Humans; D008297:Male; D009119:Muscle Contraction; D010138:Pacemaker, Artificial / Q000009:adverse effects*; D005082:Physical Exertion; D012782:Shoulder / Q000503:physiopathology*