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Long-term prognosis in relation to ECG findings in acute myocardial infarction
[external].
1987 (English)In: Acta Cardiologica, ISSN 0001-5385, E-ISSN 1784-973X, Vol. 42, no 2, 79-89 p.Article in journal (Refereed) Published
Abstract [en]

In 680 patients with acute myocardial infarction the prognosis during the following 5 years was related to observations made in a standard electrocardiogram (ECG) and 24 precordial chest leads. Patients with a Q-wave infarction (based on a 12-lead standard ECG) had a mortality rate during hospitalization of 10.2% which was much higher than that in patients with a non-Q-wave infarction (1.9%, p less than 0.001). At 5 years' follow-up 33.6% of those with a Q-wave infarction had died versus 28.4% of those with a non-Q-wave infarction (p greater than 0.2). Corresponding mortality rate among patients with no previous infarction (n = 587) was 32.1% and 25.2%, respectively (p = 0.17). In patients with anterior infarction and no previous infarction there was no correlation between Q- and R-wave changes in the 24 chest leads 4 days after admission to hospital and 5-year mortality rate. We thus conclude that patients with a Q-wave infarction had a higher in-hospital mortality compared with non-Q-wave infarction as judged from standard ECG, whereas 5-year mortality was similar. Similarly, there was no correlation between Q- and R-wave changes in an increased number of chest leads and 5-year mortality rate.

Place, publisher, year, edition, pages
La Societe Belge de Cardiologie , 1987. Vol. 42, no 2, 79-89 p.
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:hb:diva-7630Local ID: 2320/8835OAI: oai:DiVA.org:hb-7630DiVA: diva2:888511
Available from: 2015-12-22 Created: 2015-12-22 Last updated: 2017-09-25Bibliographically approved

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