Significado do supradesnivelamento ST de esforço em doentes com enfarte do miocárdio.

Autores

  • M Carvalho Serviço de Medicina IV-H.S.M., Instituto de Medicina Nuclear-F.M.L INIC-LA3, Lisboa.
  • G Cantinho
  • A P de Lacerda
  • I Dionísio
  • B B da Costa
  • M G Alves
  • F De Pádua
  • E Macieira-Coelho

DOI:

https://doi.org/10.20344/amp.3050

Resumo

In 52 patients with previous myocardial infraction, 49 men and 3 women (mean age 56 +/- 7.1 years) the significance of ST-segment elevation during the stress-test, was evaluated. Of the 52 patients 15 (29%) showed St-segment elevation and 37(71%), showed no alteration of the ST-segment. Extension of coronary disease, degree of obstruction, wall motion abnormalities and the presence of residual ischemia were evaluated by coronary angiography, technetium-99M pyrophosphate imaging and exercise TL-201 scintigraphy. From the results of the study one may conclude that, in patients with previous myocardial infraction exercise, ST-segment elevation is a consequence of sub-occlusion of the left anterior descending coronary artery with severe ventricular dysfunction either in patients with one or multiple vessel disease.

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Carvalho M, Cantinho G, de Lacerda AP, Dionísio I, da Costa BB, Alves MG, De Pádua F, Macieira-Coelho E. Significado do supradesnivelamento ST de esforço em doentes com enfarte do miocárdio. Acta Med Port [Internet]. 30 de Janeiro de 1993 [citado 30 de Junho de 2024];6(1):11-4. Disponível em: https://actamedicaportuguesa.com/revista/index.php/amp/article/view/3050

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