Changes of ventricular repolarization in acute myocardial infarction following coronary angioplasty
The long JTC interval of ECG can cause the life threatening arrhythmic events and is a non-questionable factor of sudden death. According to some authors, the JT interval gets shorter during 4-6 hours after percutaneous transluminal coronary angioplasty (PTCA) in acute myocardial infarction (AMI). T...
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Zusammenfassung: | The long JTC interval of ECG can cause the life threatening arrhythmic events and is a non-questionable factor of sudden death. According to some authors, the JT interval gets shorter during 4-6 hours after percutaneous transluminal coronary angioplasty (PTCA) in acute myocardial infarction (AMI). The aim of this study was to determine the influence of early reperfusion on the course of JT interval in patients with AMI undergoing PTCA. Coronary angiography and PTCA was performed for 35 patients with AMI. The measurement of repolarization parameters (JT, JT a , JTC JT ac ) was performed in 12-lead ECG before PTCA and 4-6 hours after it by using computerised ECG analysis system "Kaunas-Load". During 4-6 hours after successful PTCA and reopening of infarction-related artery, the duration of ventricular repolarization was statistically credibly prolonged without exceeding normal values in all ECG leads, except the mean value of JT ac in V1-V6 leads. |
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ISSN: | 0276-6574 2325-8853 |