title: Phasic voltage alternation in spontaneous left-sided pneumothorax.
abstract: Marked phasic voltage alternation is described in a man with spontaneous left-sided pneumothorax. This ECG change in association with pneumothorax has been described in only one patient previously.
mesh_terms: D000328:Adult; D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008297:Male; D011030:Pneumothorax / Q000175:diagnosis / Q000503:physiopathology*