The effect of the Q wave infarct on left ventricular electromechanical function

Objective: To assess the nature of left ventricular (LV) electrical and mechanical dysfunction in Q compared to non-Q anterior myocardial infarction (MI). Subjects: We used ECG and echocardiography to study 54 unselected patients, age 57±15 years, 32 male, with old (>6 months after) anterior MI (...

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Veröffentlicht in:	International journal of cardiology 2003-11, Vol.92 (1), p.71-76
Hauptverfasser:	O’Sullivan, Christine A, Ramzy, Ihab S, Duncan, Alison, Li, Wei, Henein, Michael Y
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Biological and medical sciences Cardiology. Vascular system Coronary heart disease Electrocardiography Female Heart Heart Conduction System - physiopathology Humans Left ventricular electromechanical function Male Medical sciences Middle Aged Myocardial Infarction - physiopathology Q wave infarct Ventricular Dysfunction, Left - physiopathology
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Beschreibung
Zusammenfassung:	Objective: To assess the nature of left ventricular (LV) electrical and mechanical dysfunction in Q compared to non-Q anterior myocardial infarction (MI). Subjects: We used ECG and echocardiography to study 54 unselected patients, age 57±15 years, 32 male, with old (>6 months after) anterior MI (39 Q and 15 non-Q), confirmed by enzyme rise and regional wall motion abnormality, and compared them with 21 normals of similar age. Methods: Analysis of resting LV minor and long axis function and 12-lead surface electrocardiogram. Results: Only 10% of normals did not have a normal septal Q wave compared with 46% of non-Q wave MI and 84% Q wave MI ( P
ISSN:	0167-5273 1874-1754
DOI:	10.1016/S0167-5273(03)00048-2