Can I drink alcohol after a PET/CT scan? There is no restriction on drinking alcohol shortly after the scan.Click to see full answer. Beside this, can you drink alcohol before a brain scan?You should avoid drinking alcohol and caffeinated drinks 24 hours prior to the scan, and abstain from smoking six hours before the scan.Secondly, do all cancers show up on a PET scan? PET scans detect areas of activity (like cell growth) in the body. More radioactive material collects in cancer cells than normal cells and will appear brighter on the image. Not all cancers show up on a PET scan. PET scan results are often used with other imaging and lab test results. Keeping this in view, what should you not do before a PET scan? 12 hours before your appointment: Foods that can be eaten include: meat, hard cheese, tofu, eggs, butter and vegetables with no starch. Some foods that are NOT allowed include: cereal, pasta, milk, breads and other sugars.How does caffeine affect a PET scan?Caffeine Consumption Worsens PET Outcomes. If a person exercises before having a PET/CT scan, more FDG appears in the heart region, obscuring the view. The researchers found that the same thing happens with caffeine: The heart beats faster when you drink coffee, just as it does when you exercise.
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