Primary T wave aberrations in asymptomatic young men are likely due to increased sympathetic tone rather than underlying organic heart disease.
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T wave aberrations may reflect sympathetic tone without organic disease in asymptomatic young men; leaves open longitudinal prognostic validation.
Fifty-one healthy men, 18 - 19 years of age, with "organic" T wave aberrations (group T) were compared to 112 controls of the same age with normal electrocardiograms (Group A + B). Group T had increased heart rate and higher systolic and diastolic blood pressures. Their lower physical work capacity could be "explained" in multivariate analysis by their shorter height, smaller heart volume and lower total hemoglobin (the latter not constituting a significant difference between the groups). Multiple regression analysis indicated that differences in heart rate, systolic blood pressure and blood volumes explained differences between subjects with and without primary T wave aberrations. These variables are all influenced by changes in sympathetic discharge, whereas no variable representing performance or body dimensions contributed to the explanation.
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Atterhög et al. (1980) studied this question.
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