coronary angiography


coronary angiography
an X-ray technique for examination of the coronary arteries, often taken to also include examination of the chambers of the heart. A catheter is introduced, usually into a vessel in the groin, and manipulated into the heart. Contrast medium is then injected to outline the ventricles and coronary arteries. Video images are recorded during contrast-medium injection, either on film or electronic media, often using digital subtraction techniques. Coronary angiography is used to diagnose cardiac disease, specifically narrowing or blockage in the coronary arteries, and plan treatment by surgery or radiological interventional techniques (see coronary artery bypass graft, percutaneous coronary intervention).

The new mediacal dictionary. 2014.

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