Coronary artery angiography is a medical procedure used to examine the blood vessels that supply the heart with blood, called the coronary arteries. It is also sometimes referred to as cardiac catheterization or heart angiogram.
During the procedure, a thin, flexible tube called a catheter is inserted into a blood vessel, usually in the arm or leg, and threaded through to the coronary arteries. A special dye is then injected into the catheter and X-ray images are taken to visualize the blood flow through the coronary arteries.
The images produced by the coronary artery angiography can help doctors diagnose a variety of heart conditions, such as blocked or narrowed arteries, and can guide further treatment options, such as stenting or bypass surgery. The procedure is typically done under local anesthesia and sedation, and is generally safe with a low risk of complications.
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