title: The effect of altitude on the cardiac systolic time intervals.
mesh_terms: D000293:Adolescent; D000328:Adult; D000531:Altitude; D000704:Analysis of Variance; D001273:Atmosphere Exposure Chambers; D002339:Carotid Arteries; D004562:Electrocardiography; D006321:Heart / Q000502:physiology*; D006801:Humans; D008297:Male; D010092:Oximetry; D010701:Phonocardiography; D011674:Pulse; D012119:Respiration; D013997:Time Factors