Abstract
Impedance cardiography (ICG) was obtained in 112 normal subjects and 90 patients with coronary artery disease (CAD) for assessing the clinical value of left ventricular function in patients with CAD. 17 cases with old myocardial infarction were examined by two-dimensional echocardiography (TDE) simultaneously. 12 parameters, including QZ/ZA2, QZI, PEP/LVET, HI, CI, SI, A wave, C wave, O wave, X-O interval, A/C and O/C, were measured in this study. The results of the normal group were essentially similar to those reported in the literature. The parameters measured in CAD patients were abnormal, with remarkable significance as compared with those of normal group (P < 0.01).
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