Relationship between duration of QRS complex in ECG and echocardiographic ejection fraction in patients with Left bundle Branch Block
Background&Objective: Prolongation of QRS duration particularly in Left bundle Branch Block (LBBB) is commonly associated with many cardiac diseases. Electrocardiographic study of QRS duration and electrical axis may be predictors of sever LV systolic dysfunction. Materials&Methods: In this...
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| Format: | Article |
| Language: | fas |
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Golestan University of Medical Sciences
2005-04-01
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| Series: | مجله دانشگاه علوم پزشکی گرگان |
| Subjects: | |
| Online Access: | http://goums.ac.ir/journal/browse.php?a_code=A-10-1-14&slc_lang=en&sid=1 |
| _version_ | 1818525723931967488 |
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| author | F.Jalali (MD) MR.Khosoosiniyaki (MD) M.Hajahmadi (PhD) |
| author_facet | F.Jalali (MD) MR.Khosoosiniyaki (MD) M.Hajahmadi (PhD) |
| author_sort | F.Jalali (MD) |
| collection | DOAJ |
| description | Background&Objective: Prolongation of QRS duration particularly in Left bundle Branch Block (LBBB) is commonly associated with many cardiac diseases. Electrocardiographic study of QRS duration and electrical axis may be predictors of sever LV systolic dysfunction. Materials&Methods: In this prospective Study conducted in cardiac ward CCU and out- patient clinic of Sh. Beheshti hospital in Babol (1999-2001), 150 patients with diagnosis of LBBB divided to two groups (one QRS≥0.16 second and the other with QRS<0.16) second . Then relationship between QRS- duration, Left axis deviation and echocardiographic LV ejection fraction analysed. Results: There wasn’t significant correlation between ages, gender, and type of cardiac disease with ejection fraction among patients with LBBB. The mean ejection Fraction in the patients with a QRS duration0.16 second (n=19) was significantly lower than the mean ejection fraction in the patients with a QRS duration<0.16 second (n=131) (P<0.05) Presence of Left axis deviation associated with LBBB did not have added predictive value and was not significantly correlated with Ejection Fraction. Conclusion: As conclusion, the QRS duration 0.16 second in the presence of LBBB has a significant inverse relation with Ejection Fraction and is a simple and appropriate marker of significant left ventricular dysfunction. |
| first_indexed | 2024-12-11T06:12:47Z |
| format | Article |
| id | doaj.art-ba5f012542b14b51b9b319b058ecdca7 |
| institution | Directory Open Access Journal |
| issn | 1562-4765 2008-4080 |
| language | fas |
| last_indexed | 2024-12-11T06:12:47Z |
| publishDate | 2005-04-01 |
| publisher | Golestan University of Medical Sciences |
| record_format | Article |
| series | مجله دانشگاه علوم پزشکی گرگان |
| spelling | doaj.art-ba5f012542b14b51b9b319b058ecdca72022-12-22T01:18:05ZfasGolestan University of Medical Sciencesمجله دانشگاه علوم پزشکی گرگان1562-47652008-40802005-04-01715659Relationship between duration of QRS complex in ECG and echocardiographic ejection fraction in patients with Left bundle Branch BlockF.Jalali (MD)0MR.Khosoosiniyaki (MD)1M.Hajahmadi (PhD)2 Background&Objective: Prolongation of QRS duration particularly in Left bundle Branch Block (LBBB) is commonly associated with many cardiac diseases. Electrocardiographic study of QRS duration and electrical axis may be predictors of sever LV systolic dysfunction. Materials&Methods: In this prospective Study conducted in cardiac ward CCU and out- patient clinic of Sh. Beheshti hospital in Babol (1999-2001), 150 patients with diagnosis of LBBB divided to two groups (one QRS≥0.16 second and the other with QRS<0.16) second . Then relationship between QRS- duration, Left axis deviation and echocardiographic LV ejection fraction analysed. Results: There wasn’t significant correlation between ages, gender, and type of cardiac disease with ejection fraction among patients with LBBB. The mean ejection Fraction in the patients with a QRS duration0.16 second (n=19) was significantly lower than the mean ejection fraction in the patients with a QRS duration<0.16 second (n=131) (P<0.05) Presence of Left axis deviation associated with LBBB did not have added predictive value and was not significantly correlated with Ejection Fraction. Conclusion: As conclusion, the QRS duration 0.16 second in the presence of LBBB has a significant inverse relation with Ejection Fraction and is a simple and appropriate marker of significant left ventricular dysfunction.http://goums.ac.ir/journal/browse.php?a_code=A-10-1-14&slc_lang=en&sid=1QRS Duration timeLV dysfunctionEjection fractionLeft Bundle Branch BlockEchocardiography |
| spellingShingle | F.Jalali (MD) MR.Khosoosiniyaki (MD) M.Hajahmadi (PhD) Relationship between duration of QRS complex in ECG and echocardiographic ejection fraction in patients with Left bundle Branch Block مجله دانشگاه علوم پزشکی گرگان QRS Duration time LV dysfunction Ejection fraction Left Bundle Branch Block Echocardiography |
| title | Relationship between duration of QRS complex in ECG and echocardiographic ejection fraction in patients with Left bundle Branch Block |
| title_full | Relationship between duration of QRS complex in ECG and echocardiographic ejection fraction in patients with Left bundle Branch Block |
| title_fullStr | Relationship between duration of QRS complex in ECG and echocardiographic ejection fraction in patients with Left bundle Branch Block |
| title_full_unstemmed | Relationship between duration of QRS complex in ECG and echocardiographic ejection fraction in patients with Left bundle Branch Block |
| title_short | Relationship between duration of QRS complex in ECG and echocardiographic ejection fraction in patients with Left bundle Branch Block |
| title_sort | relationship between duration of qrs complex in ecg and echocardiographic ejection fraction in patients with left bundle branch block |
| topic | QRS Duration time LV dysfunction Ejection fraction Left Bundle Branch Block Echocardiography |
| url | http://goums.ac.ir/journal/browse.php?a_code=A-10-1-14&slc_lang=en&sid=1 |
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