title: [Physical loading tolerance in male population groups 20 to 69 years of age without the angina syndrome and normal and altered resting ECGs].
abstract: The authors analyse the results of the treadmill test, obtained in a male population (868 persons) representing three groups aged 20 to 39, 40 to 59 and 60 to 69 years. Persons with angina pectoris of effort were excluded from the population of the three groups. The rate of the ischemic reactions was minimal in the youngest group (0.8%), drastically rising in the second group (up to 7.1%). The highest rate of the reactions was observed in the third group. The presence of changes common to coronary heart disease on the initial ECG deteriorated exercise tolerance and increased the rate of the ischemic reactions (up to 25.5% in the second group). Submaximal exercise is one of the most available and efficacious methods for recognizing latent CHD under the conditions of the epidemiological surveys of men over 40 years of age.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000787:Angina Pectoris / Q000503:physiopathology*; D003327:Coronary Disease / Q000453:epidemiology / Q000503:physiopathology; D004562:Electrocardiography; D005080:Exercise Test; D006801:Humans; D008297:Male; D008875:Middle Aged; D010807:Physical Endurance; D012146:Rest
vernacular_title: Tolerantnost' k fizicheskoinagruzke v populiatsionnykh gruppakh 20--69 let bez anginoznogo sindroma s normal'noĭ i izmenennoĭ EKG pokoia.