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Coronary Angiography

Coronary Angiography

During coronary angiography, the invasive cardiologist inserts a thin plastic tube called a “catheter” into an artery in the arm or leg (groin area).  From there the catheter can be advanced over a guidewire around the aortic arch and manipulated or “steered” into the individual openings of the coronary arteries or bypass grafts (if the patient has had previous bypass surgery).  Contrast dye is injected and images are obtained looking for blockages, which would appear as a narrowing within the lumen of the artery.

Page last updated on Aug. 04, 2008