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Electron-Beam Computed Tomography for Symptomatic Coronary Disease

Cardiac Department 1 Department of Diagnostic Imaging National University Hospital Singapore, Republic of Singapore

For reprint information contact: Bernard Kwok Wing Kuin, MRCP Tel: 65 436 7546 Fax: 65 227 3562 email: bernard_kwok{at}nhc.com.sg National Heart Centre, 17 Third Hospital Avenue, Mistri Wing, Singapore 168752, Republic of Singapore.

Forty-two symptomatic patients underwent both electron-beam computed tomo-graphic calcium scoring and coronary angiography. Correlation between coronary artery calcium score and angiographic coronary disease showed a high specificity (90%) but low sensitivity (50%). The low negative predictive value of 36% suggests that electron-beam computed tomography is not useful in symptomatic patients.