THE RELATIONSHIP BETWEEN ELECTROCARDIOGRAPHIC Q WAVE AND LEFT VENTRICULAR FUNCTION IN PATIENTS WITH ACUTE MYOCARDIAL INFARCTION AFTER THROMBOLYTIC THERAPY

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NOUGH H.; KHODADADI A.; BAKHSHI H.

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Journal: Journal of Ardabil University of Medical Sciences Year:2004 | Volume:3 | Issue:11 Page(s): 58-63

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Title

THE RELATIONSHIP BETWEEN ELECTROCARDIOGRAPHIC Q WAVE AND LEFT VENTRICULAR FUNCTION IN PATIENTS WITH ACUTE MYOCARDIAL INFARCTION AFTER THROMBOLYTIC THERAPY

Author(s)

NOUGH H. | KHODADADI A. | BAKHSHI H. | Issue Writer Certificate

Keywords

LEFT VENTRICULAR FUNCTIONQ4

MYOCARDIAL INFARCTIONQ3

THROMBOLYTICQ4

Q WAVEQ4

Abstract

Background & Objective: Infarction size is the most important prognostic factor in patients with acute MYOCARDIAL INFARCTION (AMI). Reperfusion therapy using THROMBOLYTICs is the most important measure in order to limit the infarction size. Infarction size, on the other hand, associates directly with left ventricular (LV) function. The presence of Q WAVE on electrocardiogram (ECG) after THROMBOLYTIC therapy is associated with increased mortality during first months after AMI. Moreover electrocardiographic changes after THROMBOLYTIC therapy can predict LV function. This study is an attempt to evaluate the relationship between electrocardiographic Q WAVE and LV function after THROMBOLYTIC therapy in patients with MI.Methods: 176 patients with first episode of AMI (diagnosed based on WHO criteria) who were receiving streptokinase took part in this analytical study. ECG of the first day after admission and ECG of discharge day (usually the sixth day) were evaluated in terms of the presence of pathologic Q WAVE. LV function was evaluated by Echocardiography using Simpson method. The data were analyzed by SPSS program using chi-square test. Results: On discharge day 82.4% of the patients had pathologic Q WAVE and 17.6% were without it. 51.6% of patients without pathologic Q WAVE, had normal LV function (LVGF>55%) while 26.9% of them had Q WAVE (p= 0.001). 73.3% of males and 56.4% of females had Q WAVE on ECG. Conclusions: Presence of Q WAVE on ECG in patients with AMI after THROMBOLYTIC therapy correlates with LV function and indicates impaired LV function in these patients.

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APA: Copy

NOUGH, H., KHODADADI, A., & BAKHSHI, H.. (2004). THE RELATIONSHIP BETWEEN ELECTROCARDIOGRAPHIC Q WAVE AND LEFT VENTRICULAR FUNCTION IN PATIENTS WITH ACUTE MYOCARDIAL INFARCTION AFTER THROMBOLYTIC THERAPY. JOURNAL OF ARDABIL UNIVERSITY OF MEDICAL SCIENCES (JAUMS), 3(11), 58-63. SID. https://sid.ir/paper/59545/en

Vancouver: Copy

NOUGH H., KHODADADI A., BAKHSHI H.. THE RELATIONSHIP BETWEEN ELECTROCARDIOGRAPHIC Q WAVE AND LEFT VENTRICULAR FUNCTION IN PATIENTS WITH ACUTE MYOCARDIAL INFARCTION AFTER THROMBOLYTIC THERAPY. JOURNAL OF ARDABIL UNIVERSITY OF MEDICAL SCIENCES (JAUMS)[Internet]. 2004;3(11):58-63. Available from: https://sid.ir/paper/59545/en

IEEE: Copy

H. NOUGH, A. KHODADADI, and H. BAKHSHI, “THE RELATIONSHIP BETWEEN ELECTROCARDIOGRAPHIC Q WAVE AND LEFT VENTRICULAR FUNCTION IN PATIENTS WITH ACUTE MYOCARDIAL INFARCTION AFTER THROMBOLYTIC THERAPY,” JOURNAL OF ARDABIL UNIVERSITY OF MEDICAL SCIENCES (JAUMS), vol. 3, no. 11, pp. 58–63, 2004, [Online]. Available: https://sid.ir/paper/59545/en

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