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Reappraisal of cardiovascular surveys in Jamaica: use of submaximal exercise tests for clinical investigation
Br Heart J ; 34(11): 1113-20, Nov. 1972.
Artigo em Inglês | MedCarib | ID: med-13058
Biblioteca responsável: JM3.1
Localização: JM3.1; RC681.A1B7
ABSTRACT
Assertions that idiopathic cardiomegaly or an obscure form of ischaemic heart disease are common in Jamaica have been based on a high prevalence in community surveys of unexplained electrocardiographic abnormalities and of positive responses to a questionnaire for ischaemic heart pain. Thirty-one men, aged 42-62 years, in whom these abnormalities had been found in a previously surveyed rural community, were recalled for clinical examination and exercise tests and compared with 18 control subjects. No clinical abnormalities were found. The heart rates during standard work and maximum oxygen uptake of subjects and controls were similar, and indicated, on average, excellent exercise performance consistent with their heavy physical activity in daily life. None complained of chest pain at near maximal exertion, and the previous diagnosis of angina pectoris was judged to have been mistaken. Most of the electrocardiographic abnormalities at rest were minor or isolated and did not change on exercise. Significant changes in exercise occurred in 4 subjects, in whom inverted T waves and ST depression became less obvious than at rest, but the cause of these abnormalities was not found. Though idiopathic cardiomegaly and ischaemic heart disease do not occur in Jamaica, their incidence is not known but there is no evidence that they are as widespread as has been previously asserted. Interpretations of answers to questionnaires and of electrocardiograms obtained in population surveys should be made with caution. From this study we have no evidence on whether the electrocardiographic changes were related to ethnic or environmental factors. (AU)
Assuntos
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Coleções: Bases de dados internacionais Base de dados: MedCarib Assunto principal: Cardiomegalia / Doença das Coronárias / Teste de Esforço Tipo de estudo: Fatores de risco Limite: Adulto / Humanos / Masculino País/Região como assunto: Caribe Inglês / Jamaica Idioma: Inglês Revista: Br Heart J Ano de publicação: 1972 Tipo de documento: Artigo
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Coleções: Bases de dados internacionais Base de dados: MedCarib Assunto principal: Cardiomegalia / Doença das Coronárias / Teste de Esforço Tipo de estudo: Fatores de risco Limite: Adulto / Humanos / Masculino País/Região como assunto: Caribe Inglês / Jamaica Idioma: Inglês Revista: Br Heart J Ano de publicação: 1972 Tipo de documento: Artigo
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