A angiography is a test to find out if you have a blockage in a artery. Your doctor will be concerned that you’re at risk of a heart attack if you have unstable angina, atypical chest pain, aortic stenosis, or unexplained heart failure.
During the coronary angiography, a contrast dye will be injected into your arteries through a catheter (thin, plastic tube), while your doctor watches how blood flows through your heart on an X-ray screen.
This test is also known as a cardiac angiogram, catheter arteriography, or cardiac catheterization.
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