If you are having a computed tomography angiography (CTA) or a virtual colonoscopy, you will be given specific instructions when you make your appointment.

预防措施: 如果你怀孕了或认为你可能怀孕了, 请在安排检查前咨询您的医生. 我们将与你和你的医生讨论其他选择.

服装: 你可能会被要求换上病号服. 如果是这样，我们会为你提供一件长袍. Please remove all piercings and leave all jewelry and valuables at home.

对比媒体: 你的检查可能需要做对比检查. The contrast media improves the radiologist’s ability to find structures that are abnormal and understand normal anatomy better too.

• 有些患者不应使用碘造影剂. If you have problems with your kidney function, please inform us in advance. 我们也许可以不用造影剂进行扫描, 或者可以找一个替代的影像学检查.
• You will be asked to sign a consent form that will detail the risks and side-effects associated 与对比 media injected through an intravenous (IV) line (small tube placed in a vein).
• The most common type of CT扫描 与对比 is the double contrast study that will require you to drink a contrast media before your exam begins in addition to the IV contrast. 你能喝的对比酒越多, the better the images are for the radiologist to visualize your digestive tract.

过敏: Please inform the access center representative when you schedule your scan if you have had an allergic reaction to any contrast media. IV contrast will not be administered if you have had a severe or anaphylactic reaction to any contrast media in the past. Mild to moderate reactions warrant a plan that includes taking medication prior to CT检查. These plans will be discussed with you in detail when you schedule your exam. Any known reactions to a contrast media should be discussed with your personal physician.

吃/喝: 如果你的研究是有序的 没有对比 you can eat, drink and take your prescribed medications prior to your exam. 如果你的医生让你做CT扫描 与对比在CT扫描前三小时不要吃任何东西. 我们鼓励你喝清澈的液体. 您可以在检查前服用处方药物.

糖尿病患者: Diabetics should eat a light breakfast or lunch three hours prior to the scan time. 这取决于你的口服糖尿病药物, 您可能会被要求停止使用药物48小时 后 CT检查. 详细说明将在您的检查后给出.

药物治疗: 所有推荐十大正规网赌平台都可以照常服用处方药物.

• 如果你要做CT扫描做对比, an intravenous (IV) line will be started in the hand or arm for injection of the contrast media. For oral contrast, you will be given a liquid contrast preparation to swallow. 在某些情况下，可以在直肠造影.
• You will lie on a scan table that slides into a large, circular opening of the scanning machine. Pillows and straps may be used to prevent movement during the procedure.
• The technologist will be in another room where the scanner controls are located. However, you will be in constant sight of the technologist through a window. Speakers inside the scanner will enable the technologist to communicate with and hear you. You may have a call button so that you can let the technologist know if you have any problems during the procedure.
• 扫描仪开始在你周围旋转, x射线会在短时间内穿过人体. 你会听到咔哒声，这是正常的.
• The X-rays absorbed by the body's issues will be detected by the scanner and transmitted to the computer. The computer will transform the information into a high resolution image to be interpreted by the radiologist.
• It will be important that you remain very still during the procedure. You may be asked to hold your breath at various times during the procedure.

了解更多关于a期间发生的事情 CT扫描.

• 如果在您的手术过程中使用了造影剂, you may be monitored for a period of time for any side effects or reactions to the contrast dye, 比如瘙痒, 肿胀, 皮疹或呼吸困难.
• 如果你感到疼痛, 发红, and/or 肿胀 at the IV site 后 you return home following your procedure, you should notify your doctor as this could indicate an infection or other type of reaction.
• Otherwise, there is no special type of care required 后 a CT扫描. You may resume your usual diet and activities unless your doctor advises you differently. Your doctor may give you additional or alternate instructions 后 the procedure, 这取决于你的具体情况.

• 腹部及骨盆CT
• CT血管造影(CTA)
• 身体CT
• CT胸部
• CT结肠镜检查或虚拟结肠镜检查
• CT的头
• CT鼻窦
• CT的脊柱
• 心脏钙评分
• CT enterography
• CT尿路造影(CTU)
• 肺癌筛查
• 心脏CT