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Relationship between electrocardiographically estimated infarct size and morbidity during a two-year follow-up
[external].
1985 (English)In: Clinical Cardiology, ISSN 0160-9289, E-ISSN 1932-8737, Vol. 8, no 12, 630-635 p.Article in journal (Refereed)
Abstract [en]

In 587 patients with a first myocardial infarction (MI) the electrocardiographically (ECG) estimated infarct size was related to morbidity during a two-year follow-up. Patients with transmural MI (Q- or R-wave changes in standard ECG) were more often treated for heart failure and returned to work less frequently than patients with subendocardial MI (ST-T-wave changes only). There were trends indicating a higher reinfarction rate in patients with subendocardial MI, whereas angina pectoris was observed as frequently in both groups. In a subset of patients with anterior MI, infarct size was estimated from the total Q- and R-wave amplitude in 24 precordial leads 4 days after arrival in hospital. A positive relationship was observed between ECG-estimated infarct size and treatment for heart failure, and patients with smaller infarctions according to ECG criteria returned to work less frequently. A higher reinfarction rate was observed in patients with smaller infarctions. In patients with inferior MI there were mostly weaker correlations between ECG-estimated infarct size (Q- and R-wave changes in leads II, III, and a VF) and morbidity during the two-year follow-up.

Place, publisher, year, edition, pages
John Wiley & Sons, Inc. , 1985. Vol. 8, no 12, 630-635 p.
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:hb:diva-7607Local ID: 2320/8526OAI: oai:DiVA.org:hb-7607DiVA: diva2:888487
Available from: 2015-12-22 Created: 2015-12-22

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