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Contrast CT

  1. No eating or drinking at least 4 hours prior to the examination.

  2. Please inform our staff if you have history of asthma, renal disease, diabetes mellitus or allergy to contrast material.

  3. If you are allergic to X-ray contrast material, you should be pre-medicated with oral steroid 12 hours and 2 hours prior to your scheduled examination as instructed by your physician, in order to minimize the risk.

  4. If you are diabetic, and take metformin or Glucophage, please stop the medication on the date of examination and within 48 hours after the examination.

  5. Please inform our staff if you are pregnant or suspected to be pregnant.