Angiography
Cardilogy
Angiography is a type of X-ray used to check blood vessels.
Blood vessels do not show clearly on a normal X-ray, so a special dye needs to be injected into your blood first. This highlights your blood vessels, allowing your doctor to see any problems. The X-ray images created during angiography are called angiograms.
Angiography is done in a hospital X-ray or radiology department. It usually takes between 30 minutes and 2 hours, and you can usually go home the same day.
Preparing For Angiography:
- being asked about your medical history, including if you have any allergies
- being asked about any medicine you're taking – you'll be told if you need to stop taking it before the test
- having tests to check your general health, including a physical examination and blood test
Angiography Procedure
- you'll usually be awake, but general anaesthetic (where you're asleep) may be used for young children
- a small cut is made in the skin over 1 of your arteries, usually near your groin or wrist – local anaesthetic is used to numb the area so it does not hurt
- a long, thin, flexible tube (catheter) is inserted into the artery and is carefully guided to the area being examined – you may feel some pushing and pulling when this is done, but it should not be painful
- a special dye (contrast agent) is injected through the catheter – you may feel warm, flushed and as though you need to pee for a few seconds after this is done
- a series of X-rays are taken as the dye flows through your blood vessels
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