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What is it? Overview Usage Side Effects and Warnings

Angiography Overview

Written by FoundHealth.

Related Media: Coronary Angiography


An angiography is an x-ray exam of the blood vessels. The exam uses a chemical that is injected into your blood vessels to make them more visible on the x-ray.

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What to Expect

Prior to Procedure

  • At your appointment before the test, your doctor will likely:
  • Do blood tests
  • Ask about:
  • Your medical history
  • Medicines you take
  • Allergies
  • Whether you are pregnant or trying to get pregnant
  • Perform a thorough physical examination
  • In the days before your procedure, you will need to:
  • Arrange for a ride to and from the procedure.
  • Follow your doctor’s instructions. You may need to make changes in your medicines or your eating and drinking habits.


A local anesthesia will be injected into your arm or groin where the catheter will be inserted there. A small dose of sedative may also be given by IV.

Description of the Procedure

The area of the groin or arm where the catheter will be inserted is shaved and cleaned. The area will be numbed with the anesthetic. A small incision will be made into your skin. A catheter (small tube) will be placed through the incision into an artery. The doctor will guide the catheter through the arteries to the area to be examined. The contrast material is injected through the catheter. The doctor watches the procedure on a nearby television monitor. Several sets of x-rays are taken. The catheter is then removed. Pressure will be applied to the area for about 10 minutes.

How Long Will It Take?

Less than an hour to several hours if the doctor decides to fix any problems at the same time

How Much Will It Hurt?

Although the procedure is not painful, you may feel the following discomfort:

  • Brief sting when local anesthesia is injected
  • Pressure when catheter is inserted
  • Hot and flushed when contrast material is injected

Post-procedure Care

At the Care Center

Immediately following the procedure:

  • You will need to lie flat for a period of time. The length of time will depend on your overall health and the reason for the exam.
  • You may need to have pressure applied to the entry site to control bleeding.
  • If you notice any swelling, bleeding, black and blue marks, or pain where the catheter was inserted, tell the nurse.
  • You will be encouraged to drink a lot of fluids to flush the contrast material from your system.
  • You may be allowed to leave the hospital after this recovery period, but the length of stay will depend on your other medical problems.

At Home

After your procedure, be sure to follow your doctor's instructions .

When you return home after the procedure, do the following to help ensure a smooth recovery:

  • Drink extra fluids, as instructed by your doctor. This will help flush the contrast material from your system.
  • Do not lift heavy objects or do any strenuous exercise or sexual activity for at least 24 hours or longer as directed by your doctor.
  • Change the dressing around the incision area as instructed.
  • Take medicines as instructed.


The radiologist will examine the x-rays and report the findings to your doctor. Your doctor will discuss the findings and any treatment options needed with you.



American Heart Association



The College of Family Physicians of Canada

Health Canada


Angiography. American Society of Radiologic Technologists website. Available at: . Accessed July 27, 2009.

Cerebral angiogram. Your Total Health website. Available at: . Updated June 2007. Accessed July 27, 2009.

Catheter angiography. Radiology Info website. Available at: . Updated June 2009. Accessed July 27, 2009.



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