Diagnostic evaluation of frequency domain correlative cardiography in patients with coronary heart disease
1990
: Frequency-domain correlative cardiography (FCG) is a new non-invasive technique for diagnosing heart disease. FCG was performed in 110 patients who also underwent coronary cineangiography. 12-lead ECG and treadmill exercise testing to determine its diagnostic role in coronary heart disease (CHD). In the group with CHD 61 had true-positive and 8 false-negative FCG results, while in the group without CHD 30 were true-negative and 11 false-positive. Its sensitivity is 88.4%, specificity 73.2%, correct diagnostic rate 84.3% and predictive value 84.7%. The diagnostic efficacy of FCG is better than those of 12-lead ECG and treadmill exercise test. These results indicate that FCG is a valuable noninvasive method for detecting patients with CHD.
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