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American Journal of Roentgenology, Vol 149, Issue 6, 1265-1267
Copyright © 1987 by American Roentgen Ray Society

Articles

Evaluation of ECG gating for selective intraarterial carotid DSA

WD Foley, EO Lipchik, PA Larson, and JJ Beres

Department of Radiology, Medical College of Wisconsin, Milwaukee 53226.

A study comparing ECG-gated and nongated acquisition for selective carotid digital subtraction arteriography was performed on 116 bifurcations in 63 patients. For ECG acquisition, three exposures (systole, early diastole, and late diastole) were obtained for each cardiac cycle. There was no significant difference in the frequency of plaque misregistration between gated (18%) and nongated (23%) acquisitions. In gated studies, the frequency of plaque misregistration was equivalent in systole, early diastole, and late diastole. Gated and nongated studies provided equivalent image quality for selective carotid digital subtraction angiographic studies.
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Copyright © 1987 by the American Roentgen Ray Society.