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Dubbo Medical and Allied Health Group Cardiology

Cardiovascular Investigations

Coronary Angiogram

A coronary angiogram, also known as cardiac catheterization or coronary angiography, is a medical procedure used to visualize the coronary arteries that supply blood to the heart muscle. This test is often performed to assess the presence of blockages, narrowings, or other abnormalities in the coronary arteries, which can lead to conditions such as coronary artery disease.

Here’s an overview of how a coronary angiogram is typically conducted:

  • Preparation: Before the procedure, the patient is usually given sedation to help them relax. A local anesthetic is then applied to the area where the catheter will be inserted, often in the groin or the wrist.
  • Catheter Insertion: A thin, flexible tube called a catheter is inserted into an artery, typically in the groin or wrist. The catheter is carefully threaded through the arterial system until it reaches the coronary arteries.
  • Contrast Injection: A contrast dye is injected through the catheter into the coronary arteries. This dye makes the blood vessels visible on X-ray images, allowing healthcare professionals to capture detailed images of the coronary arteries and identify any blockages or abnormalities.
  • X-ray Imaging: X-ray images (angiograms) are taken as the contrast dye flows through the coronary arteries. These images provide a real-time view of the blood flow and can help pinpoint areas of concern, such as narrowed or blocked arteries.
  • Assessment and Diagnosis: The cardiologist interprets the angiogram images to assess the condition of the coronary arteries. If significant blockages are identified, additional interventions may be considered.

Depending on the findings of the angiogram, further procedures such as angioplasty (balloon dilation) and stent placement may be performed during the same procedure or scheduled for a later time.

Coronary angiography is a valuable diagnostic tool for evaluating coronary artery disease, determining the extent and location of blockages, and guiding treatment decisions.

While it is generally considered a safe procedure, there are potential risks and complications, which your healthcare team will discuss with you beforehand. It is important to follow your healthcare provider’s guidance and discuss any concerns or questions you may have about the procedure.

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