CTA Test Preparation

You have been asked to complete a CTA.

Please be sure to follow the directions below on how to prepare for your exam.

  1. Drink plenty of water.
  2. Do not drink any caffeine containing beverages for 12 hours prior to your test.
  3. Do not take any antihistamines for 12 hours prior to your test.

On the day of your appointment:

  1. Eat light
  2. Do not drink any caffeine containing beverages for 12 hours prior to your test.
  3. Do not take any antihistamines for 12 hours prior to your test.
  4. You may take your regular medications prior to your test.
  5. Wear loose comfortable clothing, no zippers or metal. Most patients do not need to undress.

After the test:

  1. Drink plenty of water, at least 4 full glasses of water within the next few hours after your test.
  2. After IV contrast some patients might experience a mild flushed feeling. If you do, rest and relax and drink more fluids for a period of 24 hours.
  3. On occasion, the patient might experience a mild rash up to 24 hours after the test. This is not dangerous or uncommon. If this occurs, you can take Benadryl 25mg and increase your fluid intake.
  4. If you experience trouble breathing, this can be serious. If it is severe, please call 911 IMMEDIATELY. If it is mild, please call your Primary Care Physician or your Cardiologist office to schedule an appointment.
  5. If you take any of these medications, Glucophage/Metformin/Avandamet/Glucovance/or Metaglip, please do not take for 48 hours after completing your test.

* For Cardiac CTA Only

  1. Hold all erectile dysfunction medications at least 48 hours prior to test.
  2. IF NOT ON A BETA LOCKER: Take 50mg of Lopressor (Metoprolol) on the night before the test, and again one hour before the test.

*You may receive intravenous medication to lower your heart rate prior to test.