When additional information is needed about your heart, cardiac catheterization may help guide a diagnosis or treatment decision. Understanding why it is recommended can help you prepare and ask the right questions.

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What Is Cardiac Catheterization?

Cardiac catheterization uses a thin, flexible tube inserted into a blood vessel and guided to the heart. Depending on the procedure, it can help assess blood flow, heart pressures, or other aspects of heart function.

Coronary angiography is a related test that uses contrast dye and X-ray imaging to examine the arteries supplying the heart.

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Know Why a Procedure Is Being Considered

The decision depends on your symptoms, previous test results, medical history, and the expected benefits and risks. Not every patient needs an invasive test.

Ask what the procedure could clarify, whether alternatives are available, and how its findings may change your care plan.

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Prepare With Clear Instructions

Before a scheduled procedure, obtain instructions about medications, eating and drinking, transportation, and recovery. Tell your care team about allergies, kidney problems, and blood-thinning medicines. Do not stop a prescribed medication unless instructed. Confirm the facility and the clinician performing the procedure with our office.

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