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Coronary CT AngiographyAka: CT Coronary Angiogram, CT Angiography of Coronary Vessels

Definition
1. Coronary Artery CT Imaging for atherosclerosis
Advantages
1. Non-invasive, accurate Coronary Angiography
Disadvantages
1. High radiation exposure
2. IV Contrast Material exposure
3. Requires Heart Rate be suppressed to 60 bpm or less
4. Low sensitivity for small vessels
5. Unlike standard angiography, CT is diagnostic only
Efficacy (64 slice multidetector CT)
1. Test Sensitivity:
  1. Significant obstructive CAD: >90%
  2. Coronary stenosis: 75%
2. Test Specificity: 97% for coronary stenosis
References
1. Hoffman (2005) JAMA 293:2471
2. Leber (2005) J Am Coll Cardiol 46:147

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This page was written by Scott Moses, MD. This page was last revised on 4/26/2008 9:08:21 PM. This page was last published on 4/29/2008. Please send comments and questions to the editor. Contact information may be found on the page About the Family Practice Notebook. These pages are best viewed with Microsoft Internet Explorer 6.0.