Can I Drink Decaf Coffee Before A Pet Scan

A pet scan measures body functions like blood flow oxygen use and the metabolism of glucose or sugar.
Can i drink decaf coffee before a pet scan. Depending on the type of pet scan you have following a low carbohydrate diet 12 hours before the scan may be necessary to increase the quality of pet scan images. If your pet ct scan is for a sarcoid heart scan infection or inflammation. Do not chew gum. Drinking coffee before having a pet scan will interfere with the results as caffeine can affect the myocardial uptake or the amount of tracer used.
The day before your scan if your scan is the rubidium pet type you shouldn t drink caffeine or decaffeinated products such as coffee tea chocolate or sodas for 24 hours before your appointment. Follow a low carbohydrate diet for 24 hours. Patients may want to skip that cup of coffee before undergoing pet ct scans. Ask your health care team when you can expect to learn about the test results and who will explain the results to you.
Decaffeinated products contain caffeine. This includes chocolate coffee tea soda or exedrin. If your pet ct scan is for cancer. Researchers at saint louis university have suggested that patients going for pet or ct scan should avoid drinking coffee as caffeine intake interferes with pet ct image results when there is a.
Before the pet ct scan. If you re taking a beta blocker or a calcium channel blocker consult with your doctor. Don t drink or eat anything except water for 6 hours before the scan. Body scan with fdg pet ct if you are having a fdg brain scan you must not eat or drink caffeine for 24 hours before your exam.
Do not eat. Positron emission tomography pet or computed tomography ct scan is done as a procedure to find out malignant growth or to evaluate the effect of treatment on an already diagnosed malignant growth. Pet ct diet plan before your exam. The pet scan helps to detect the signs of high glucose consumption by cells.
Do not eat for six hours. Follow a special diet for 12 to 24 hours before the scan. Follow a low carbohydrate diet for 48 hours. In this process a tracer like fluorodeoxyglucose is injected in the body that can be traced with the help of the tomography machine.
This includes tube feeding. Avoid exercising 24 hours before the scan. Foods you can eat are limited for this type of pet scan. Drinking two or more cups of decaf coffee per day has also been linked with up to a 48 lower risk of developing rectal cancer 21 31 32.
Typically glucose speeds up the growth of cancer cells and that is why doctors inject glucose into the patient s body when performing the pet scan.