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What is cardiac catheterization for heart disease?

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Cardiac catheterization is also called cardiac cath or coronary angiogram. It’s an imaging test that lets your doctor "see" the inside of the arteries and how well your heart works. During the procedure, a long, narrow tube, called a catheter, is inserted into a blood vessel in your arm or leg and guided to your heart with the aid of a special X-ray machine. Contrast dye is injected through the catheter so that X-ray movies of your valves, coronary arteries, and heart chambers can be made.

SOURCES: The Cleveland Clinic Heart Center. The American Heart Association. The National Institutes of Health.


Reviewed by Suzanne R. Steinbaum on July 26, 2017

SOURCES: The Cleveland Clinic Heart Center. The American Heart Association. The National Institutes of Health.


Reviewed by Suzanne R. Steinbaum on July 26, 2017

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Why do I need cardiac catheterization?

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