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Also known as an angiogram, coronary catheterization tracks blood flow through your coronary arteries. A long, thin tube, or catheter, is inserted through your arm or leg artery and threaded into your coronary arteries. A dye is then injected through the catheter to highlight on an X-ray machine your blood flow in and around the heart. Because it is invasive and usually performed in a hospital, the procedure is recommended for women with severe symptoms, who do not respond to treatment or whose non-invasive tests are inconclusive.
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