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Diagnostic Tests 2023

What é arteriography and how é done the exam

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What é arteriography and how é done the exam
What é arteriography and how é done the exam

Arteriography, also known as angiography, is a diagnostic tool that allows you to observe the blood circulation and blood vessels of a particular region of the body, so that possible changes or injuries can be identified that are causing certain symptoms.

The regions where this exam is most used are the retina, heart and brain, and in order to perform it, it is necessary to use a contrast substance, which makes the blood vessels more visible.

How the exam is done

The exam methodology varies according to the region to be analyzed. Before starting the exam, local anesthesia or sedation is administered and then a thin tube is inserted into an artery, usually located in the groin, which is sent to the region to be analyzed, where a contrast substance is injected, to then be the respective images were collected.

During the examination, the doctor may take the opportunity to remove clots, perform an angioplasty, which consists of dilating a narrowed blood vessel, or inserting a mesh inside the vessel, so that it remains functional. See how angioplasty is performed.

The procedure takes about 30 minutes to 2 hours and is usually painless.

In which situations it should be done

Arteriography is an exam that is usually indicated in the following situations:

  • Coronary heart disease such as angina;
  • Aneurysms;
  • Atherosclerosis;
  • AVC;
  • Myocardial infarction;
  • Gangrene;
  • Organ failure;
  • Macular Degeneration;
  • Diabetic retinopathy.

How to prepare for the exam

Before the examination, the doctor may recommend stopping any treatment that involves drugs, such as antiplatelet agents or anticoagulants, which interfere with blood clotting.

Furthermore, you should not eat or drink after midnight the day before the exam.

However, in some cases, this exam may have to be performed in an emergency, and it is not possible to make a previous preparation.

What are the risks of the exam

Arteriography is relatively safe and complications are rare. In some cases, bruising or bleeding may occur in the region and more rarely infections or allergic reactions.

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