Can You Drink Decaf Coffee Before A Pet Scan
Avoid all products that contain caffeine for 24 hours before the test.
Can you drink decaf coffee before a pet scan. Do not chew gum. Do not eat. Approximately three to four hours. If you re taking a beta blocker or a calcium channel blocker consult with your doctor.
Follow a low carbohydrate diet for 24 hours. Although pet scans used to take an hour or more and still take an average of 30 45 minutes on almost all pet scanners our new and advanced scanners complete pet scans in an average of about 12 minutes. You may drink only water. Scan time can vary slightly based upon the patient height taller patients.
With intake of caffeine more fluorodeoxyglucose clusters around the heart making it difficult to take a look into the lesions of the heart. Pet ct diet plan before your exam. 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. Patients may want to skip that cup of coffee before undergoing pet ct scans date.
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. Do not eat for six hours. If your pet ct scan is for cancer. Foods you can eat are limited for this type of pet scan.
If your pet ct scan is for a sarcoid heart scan infection or inflammation. Please check the list of ingredients to see if a drink or food has caffeine. This includes chocolate coffee tea soda or exedrin. Modern pet ct scanners are so advanced that the time for a pet scan has been significantly reduced in recent years.
Hence it is best to avoid both exercise and coffee. The heart beats faster when you drink coffee just as it does when you exercise. This includes tube feeding. 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.
This includes coffee tea colas other sodas energy drinks and chocolate. A pet scan measures body functions like blood flow oxygen use and the metabolism of glucose or sugar. If you are having a fdg brain scan you must not eat or drink caffeine for 24 hours before your exam. Decaffeinated products contain caffeine.
Avoid products labeled as decaffeinated or caffeine free for 24 hours before the test. June 21 2005. A similar problem takes place when caffeine in the coffee is in circulation just before pet ct scan. Caffeine is known to increase heart rate.