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Heart Imaging

CT Coronary
Angiography (CTCA)

A CT coronary angiogram (CTCA) uses CT imaging and contrast dye to create detailed images of your coronary arteries and identify areas of narrowing or blockage.

Overview

What is a CTCA scan?

A CT coronary angiogram (CTCA) uses contrast dye to highlight blockages in your coronary arteries, including those caused by a build-up of soft plaque that may not appear on other tests.

Why would I need to get a CTCA scan?

Your doctor may recommend a CTCA to help assess your coronary arteries, particularly if you are experiencing symptoms such as:

Chest pain
breathlessness
excessive sweating
irregular heartbeat
dizziness
During the Test

What should I expect from a CTCA scan?

1
Before your CT scan, your blood pressure and heart rate will be monitored, and a cannula will be inserted into a vein in your arm for the delivery of the “contrast dye”.
2
Next you will be asked to undress to the waist (a gown is provided for you to wear) and lie on a bed that slides under the scanning machine.
3
To capture the best images possible, you may need to take medication to slow and stabilise your heart rate. This medication may be tablets prescribed by your doctor and taken before your appointment or an intravenous medication administered during your appointment, or both.
4
Immediately prior to the scan there will be a spray of nitrate under your tongue which helps dilate the coronary blood vessels.
5
The contrast dye will be injected into your vein via the cannula to highlight any blockages on your scan images. This injection can cause a hot flush through the body or a metallic taste in the mouth but only lasts a few seconds.

How do I make an appointment with Advara HeartCare

If you have a referral from your GP or specialist, you can book a CTCA at an Advara HeartCare centre.

Advara HeartCare is Australia’s largest cardiology provider, with centres in or around most major metropolitan areas and select regional locations. Click below to find Computed Tomography Coronary Angiography (CTCA) services near Sydney, Melbourne, Brisbane, Perth or Adelaide.

A CTCA scan provides detailed images of your coronary arteries.

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What to Expect

CTCA Scan - Advara HeartCare

Before your appointment

How to prepare for a CTCA scan

There is a little preparation required for a Computed Tomography Coronary Angiography (CTCA scan). Here’s what you need to know before your appointment.
Eat & Drink Normally

You may be asked to avoid caffeine and smoking for several hours before your appointment. Follow any instructions provided by your doctor or the imaging centre regarding eating, drinking, and medications.

What to Wear

Wear comfortable clothing and avoid wearing jewellery or other metal objects, as these may need to be removed before the scan.

What to Bring

Bring your referral letter, Medicare card, a list of your current medications, and any previous cardiac imaging results if requested.

Appointment Duration

A CTCA appointment usually takes 30–60 minutes, including preparation, the scan, and a short observation period. You can usually return to your normal activities afterwards unless advised otherwise.

FAQs

Frequently Asked Questions

Visit our FAQ section for answers to more common questions about Advara HeartCare, the heart tests we provide and how to access our services.

Can I eat or drink before the CTCA scan?
Do not drink any stimulants such as tea, coffee, soft drinks or energy drinks for 12 hours before your test as they can affect your heart rate. Be sure to drink plenty of water instead to stay hydrated. You must not eat anything in the 2 hours before your scan.
Don’t wear lotions, perfumes or powders around the chest area, and remove any jewellery around your neck or chest. Wear an outfit on the day that allows you to easily change into a gown from the waist up. We suggest opting for a shirt or blouse rather than overalls or a dress.
Bring any medications you are taking. You should consult your doctor prior to the test as they can advise if you should cease any of your regular medications before or during the test that may interfere with the results.
The test takes about 45 minutes. After the test you will be monitored for 15 to 30 minutes before you go home.
It is recommended that you do not drive yourself home after the scan as you may experience some dizziness or light headedness.
Your results will be reviewed by a specialist cardiologist and a full report will be sent to your referring doctor who will be able to advise you if a follow-up test or treatment plan is required.
The test is considered safe. However, there are potential risks associated with some aspects of the test including a risk of allergic reaction to the dye and health risks associated with radiation. Your doctor will explain the possible risks before the scan. Ask for more information if you have any questions. The doctor referring you for the test will have considered all these risks prior to making their decision.
The scan aims to provide an accurate overview of your coronary arteries. Results may indicate the need for further tests.
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