Coronary Artery Angiography (CAG) is a diagnostic procedure used to visualize the blood vessels of the heart, helping doctors detect blockages or narrowing in the coronary arteries. This minimally invasive procedure involves the insertion of a catheter into an artery, usually in the groin or wrist, to inject a contrast dye that makes the coronary arteries visible on X-ray images. CAG plays a crucial role in diagnosing heart disease, particularly in patients with chest pain, shortness of breath, or other symptoms of cardiovascular issues.
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