Can You Drink Decaf Coffee Before A Pet Scan

In this process a tracer like fluorodeoxyglucose is injected in the body that can be traced with the help of the tomography machine.

Can you drink decaf coffee before a pet scan. You will be advised not to eat anything six hours ahead of your pet scan appointment. 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. This includes chocolate coffee tea soda or exedrin. 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.

A pet scan measures body functions like blood flow oxygen use and the metabolism of glucose or sugar. 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. 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. Further you should take the copies of reports of recent ct scans and mris.

Foods you can eat are limited for this type of pet scan. Contrast medium can make the images from a pet ct scan easier to interpret. 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 heart beats faster when you drink coffee just as it does when you exercise.

You might drink the contrast medium or the technologist or a nurse may put it in your iv. Six hours prior to the appointment. When the substance has traveled all over your body it will be time to start the scan. You may also receive a special dye called a contrast medium before the scan.

Decaf coffee causes significantly less acid. Use this diet for breakfast on the day of your scan if your appointment is late enough. However you are allowed to drink water. If you re taking a beta blocker or a calcium channel blocker consult with your doctor.

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. Decaffeinated products contain caffeine. June 21 2005. During the entire day before your pet ct scan you will need to follow the diet recommended below.