What are possible complications of coronary arteriography?

Anthony L. Komaroff, MD
Internal Medicine
Coronary arteriography (also called coronary angiography) should not be painful and is remarkably safe when performed by experienced physicians. However, it involves some risks. The most common complications are bleeding where the catheter was inserted or the formation of blood clots in the vessel. Other possible complications include heart rhythm abnormalities, infections, and allergic or kidney reactions from exposure to the contrast dye. Stroke, heart attack, and major bleeding are uncommon.

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