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  • Preparing for a CT or CAT" Scan"

  • General PreparationsGeneral Preparations

    • For CT studies in older children who do not require intravenous contrast, no preparation is necessary. This would include studies such as CT of the head, sinuses, or bone.
    • For CT studies in younger children who do not require intravenous contrast but who may need sedation; they may not have anything by mouth for 6 hours.
    • For CT studies in younger children who will require intravenous and who will need sedation; they may not have anything by mouth for 6 hours.

    Specific preparations for CT scans of the abdomen and pelvis

    9 Years and Older:

    A kit can be obtained in the CT department. It contains (2) 450 ml bottles of Readi-Cat. This substance is pre-mixed and ready to use. It can be refrigerated before use.

    • Do not mix it with another substance
    • Do not pour it over ice. 
    • Shake well before use. 
    • Do not have any liquids or solids 4 hours prior to the scheduled appointment. 
    • 90 minutesprior to scheduled appointment, drink one bottle of Readi-Cat (450 ml) 
    • 30 minutesprior to scheduled appointment time, drink 2/3 bottle of Readi-Cat (300 ml) 
    • Bring the remaining 1/3 bottle (150 ml) when you report to the CT Scan Department. You will need to drink this just prior to your scan.
    Under 9 Years of Age:

    The kit has a container of 10g of Oral Hypaque that needs to be mixed with 12oz of juice. The solution may be refrigerated; however, ice cannot be added. 

    • 0 -1 month: Patient is unable to have solids or milk products 6 hours prior to scheduled appointment. Patient is unable to have breast milk 4 hours prior to scheduled appointment time. Two (2) hours prior to scheduled appointment administer 4 ounces of Oral Hypaque solution by mouth. Upon arrival in CT department, patient will be evaluated for sedation.
    • 1 month - 1 year: Patient is unable to have solids or milk products 6 hours prior to scheduled appointment Patient is unable to have breast milk 4 hours prior to scheduled appointment time. Two (2) hours prior to the scheduled appointment administer 4-8 ounces of Oral Hypaque solution by mouth. Upon arrival in CT department, patient will be evaluated for sedation.
    • 1-5 years: Allow nothing to eat or drink 6 hours prior to scheduled appointment time. Three (3) hours prior to scheduled appointment administer 12 ounces of Oral Hypaque by mouth. Upon arrival in CT department, patient will be evaluated for sedation.
    • 6-8 years: Allow nothing to eat or drink 6 hours prior to scheduled appointment time. Forty five (45) minutes prior to scheduled appointment administer 12 ounces of Oral Hypaque by mouth. Upon arrival in department, the patient will be given and additional 6-8 ounces of Oral Hypaque solution 15 minutes prior to the exam.