Main content

    HealthWise KnowledgeBase

    Cardiac Perfusion Scan

    Cardiac Perfusion Scan



    How To Prepare

    Before a cardiac perfusion, tell your doctor if you:

    • Are taking any medicines, including erection-enhancing medicines (such as Cialis, Levitra, or Viagra). You may need to take nitroglycerin during this test, which can cause a serious reaction if you have taken an erection-enhancing medicine within the previous 48 hours. Ask your doctor whether you need to stop taking any of your other medicines before the test.
    • Are allergic to any medicines or anesthetics.
    • Are or might be pregnant.
    • Are breast-feeding. Use formula and throw out your breast milk for 1 to 2 days after the scan.

    Do not eat or drink for at least 3 hours before a cardiac perfusion scan. If you are having a stress scan, avoid alcohol, tobacco, caffeinated beverages, and nonprescription medicines for at least 24 hours before the test.

    Wear comfortable shoes and loose shorts or pants suitable for exercise. Remove all jewelry before the test.

    Talk to your doctor about any concerns you have regarding the need for the test, its risks, how it will be done, or what the results may mean. To help you understand the importance of this test, fill out the medical test information form Click here to view a form. (What is a Reference PDF Opens New Window document?).



    This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Reference Terms of Use. Reference How this information was developed to help you make better health decisions.