Risks and Complications of Angiography

Angiography is generally safe. But any procedure has risks and possible complications. Below are common risks for angiography. They vary based on the part of the body being examined. Discuss the risks with your healthcare provider. Be sure you understand and have your questions answered before you agree to have the procedure.

Possible risks and complications

The risks and possible complications for your procedure include:

• Bleeding or bruising at the insertion site

• Tear, crack, or hole (puncture) in the artery lining

• Blood clots. Rarely, these may be so severe that your leg may be at risk. Your healthcare provider may have to immediately do an operation to remove the clot.

• Infection

• Stroke

• Allergic reaction or kidney problems from the X-ray dye

• Heart attack, stroke, or death (very rare)

• The need for emergency cardiac or leg surgery (very rare)

• Abnormal heartbeat (arrhythmia)

• Impaired kidney function (very rare)

• Bubble (pseudoaneurysm) in the artery

• Death

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What to tell your healthcare provider

It's important that you tell your healthcare provider:

• The names of all prescription and over-the-counter medicines you take. This should also include herbs, vitamins, and other supplements.

• If you have had any allergic reactions in the past to contrast dye, latex or any medicines

• If you are pregnant or think you could be. The procedure may need to wait until after the baby is born. 

• If you have problems with your kidney function