Coronary calcium is detected by ct scanning, a noninvasive procedure that, for calcium detection, does not require injected contrast.
冠状动脉钙量是通过CT扫描检测的,这种无创方法检测钙时不需要注射造影剂。
Contrast dye is injected to confirm that the needle is positioned correctly in the facet joint and that medication is contained inside the joint.
注入对比造影剂,以确定针的位置正确地进入关节突关节,关节内含有注入的药液。
Most modern injected radiographic positive contrast media are iodine-based.
大多数现代注射放射学阳性造影剂碘。
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