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Scientifica
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2013
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Article
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Tab 2
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Review Article
Imaging of Cardiac Valves by Computed Tomography
Table 2
Aortic annulus calcium classification of severity.
Moderate
Severe
>10% of annulus perimeter
>20% of annulus perimeter
1 nodule > 5 mm
1 nodule > 1 cm
2 nodules
Multiple nodules