Download Abdomen / Pelvis NPO 8 hours prior to exam.

Ultrasound Preps
Abdomen
NPO 8 hours prior to exam
Pelvis
NPO 8 hours prior to exam
Patient must have a full bladder; Patient must drink 38 to 42 ounces of
liquid, preferably water, one hour prior to exam.
Do NOT empty bladder until after exam.
Gall Bladder
NPO 8 – 12 hours prior to exam.
No other special preps required for Ultrasound examination.
Ct Exam Preps for IV and/or Oral Contrast
Abdomen / Pelvis
NPO 8 hours prior to exam.
Chest
NPO 4 hours prior to exam.
Head
NPO 4 hours prior to exam.
Extremities
NPO 4 hours prior to exam.
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Patient may take medications with just enough water to swallow meds.
A blood test for BUN & Creatinine must be taken to evaluate levels.
Normal Creatinine level is 0.6 to 1.5 mg/dl.
Normal BUN level is 8 to 25 mg/100 ml.
Cut off for Creatinine level is 1.5 mg.dl
No exam preps for Non-Contrast CT examinations.
Diabetic Patients & Metformin
--Only for IV Contrast Study
Diabetic patients who take Metformin should not take it for 48 hours after the exam.
Metaformin is available as a generic drug as well as Brand-name formulas and in combination
with other drugs. Following is a list of medications that contain Metformin:
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Glucophage
Glucophage XR
Fortamet
Glumetza
Riomet
Glucovance
Metaglip
ActoPlus MET
Avandamet
Glyberride
Janumet
Out Patient PO Contrast Study
Patient is to drink one bottle of PO contrast before bedtime the night before the exam. One
hour before the exam the patient is to drink all but a couple of swallows of a second bottle of
contrast. Just before the exam the patient is to finish the last of the second bottle of contrast.