Source Localization of Initial QRS Vector in Patients with Idiopathic Cardiomyopathy: Comparison with Normal Subjects and Patients with Anterior Myocardial Infarction
2000
The magnetocardiographic three-dimensional (3-D) source localization using superconducting quantum interference device (SQUID) gradiometer has an excellent spatial and temporal resolution. Abnormal Q wave is frequently seen in the electrocardiogram (ECG) in patients with idiopathic cardiomyopathy, even in those without myocardial infarction. In the present study, to assess the origin of abnormal Q wave in the idiopathic cardiomyopathy, current sources were analyzed by the magnetocardiograms (MCGs), and the results were to that of compared with abnormal Q wave in patients with anterior myocardial infarction.
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