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Cardiac catheterisation and coronary angiography are generally considered to be safe procedures. However, as with all medical procedures, there are some associated risks.

The main risks of coronary angiography include:

Serious complications

In very rare cases, more serious complications of coronary angiography can occur. These include:

The risk of a serious complication occurring is estimated to be less than 1 in 1,000. People with serious underlying heart problems are most at risk.

Your cardiologist should discuss the risks with you before the procedure.