[Left axis deviation and SI SII SIII pattern at high altitudes (author's transl)].
D000328:Adult; D000531:Altitude; D006332:Cardiomegaly / Q000209:etiology; D004562:Electrocardiography; D006327:Heart Block / Q000209:etiology; D006801:Humans; D008297:Male; D014672:Vectorcardiography