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3 - Electrocardiographic evaluation of right ventricle involvement in acute inferior myocardial infarction
Cemal Bes, S. Kerem Okutur, Erkan Öztekin, Çiğdem Yazıcı Ersoy Kerim Küçükler, Murat Kemahlı, Fatih Borlu
Aim: inferior M! accompanied by right ventricular Ml has a high mortality and morbidity rate therefore early diagnosis and treatment carries a vital role. This study was designed to evaluate right ventricular involvement by means of electrocardiographic methods and examine the role of age, gender, additional disease and thrombolytic usage in prognosis of the patients.
Material and Methods: Sixty patients with inferior myocardial infarction and right ventricle involvement, who were admitted to the coronary care unit of Sisli Etfal Hospital between the years 2000 and 2002, are clinically and electrocardiographically evaluated.
Results: Of the sixty patients, 45 were male and 15 were female, and the mean age was calculated as 58.72 ± 12.51. There were no significant correlation between age and ST segment depression, though there was a poor and inverse correlation between age and ST segment elevation. No prognostically significant differance was noticed between the two genders, with cases who have a concomittant disease and who have not. When compared to the cases who received thrombolytic therapy; prognosis was significantly worse with cases who did not. Mortality was apparently high with those had not been utilized thrombolytic therapy. Right ventricle involvement in inferior myocardial infarction was electrocardiographically asesscd. ST segment depression on D1 and aVL of the patients with inferior myocardial infarction was found to he as sensitive as V4R ST segment elevation, with intention to detect right ventricle involvement.
Conclusion: ST segment depression on Dl and aVL derivations should be meticulously evaluated as well as V4R for inferior myocardial infarction patients with right ventricle involvement to reduce mortality, and thrombolytic therapy should he initiated as soon as possible.
Keywords: Inferior myocardial infarction, Right ventricle involvement, Electrocardiographic evaluation.
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