Prof. Dr. Ali Serdar Fak
Cardiac SurgeryVerified
- 29+years exp.
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Heart Diagnostics
Ct coronary angiography
What a CT coronary angiogram is, how contrast dye and a fast scanner show the heart arteries without a catheter, what it can and cannot show, when it is preferred to an invasive angiogram or stress test, approximate costs in Turkey against the UK, US and Germany, preparation, radiation, contrast risks and how to check a centre.
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Dr. Bülent İlçöl
Cardiac SurgeryVerified
- 25+years exp.
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CT coronary angiography in Turkey: what is it and how does it work?
CT coronary angiography (also called CT coronary angiogram, CTCA or virtual coronary angiography) is a heart scan that shows the coronary arteries, the vessels that feed the heart muscle, without passing a catheter into the heart. A contrast dye containing iodine is injected into a vein in the arm. A fast computed tomography scanner then takes many thin X-ray slices of the heart, timed to the heartbeat with an ECG, and a computer builds a three-dimensional image of the arteries. The doctor can see whether they are narrowed by fatty plaque, and whether the plaque is hard (calcified) or soft. Because the test is done through an arm vein, it takes roughly ten minutes on the table and needs no operation or overnight stay.
The test suits people who need an answer about their arteries but are not yet known to have a blockage. This guide explains how it works, what it can and cannot show, how it compares with an invasive angiogram or a stress test, what it costs in Turkey compared with the UK, US and Germany, how to prepare and what the risks are.
What can a CT coronary angiogram show, and what can it not show?
The scan shows the width of the arteries, the build-up of plaque, the degree of narrowing and, with a calcium score (a quick scan taken before the dye), how much hardened plaque is in the walls. A clear scan is highly reassuring: when no significant narrowing is found, the chance that chest pain comes from blocked heart arteries is very low, which is why the test is valued for ruling disease out. NICE recommends CT coronary angiography as the first test for many people with new stable chest pain in England.
It has limits. Heavily calcified arteries can blur the picture and make narrowing look worse than it is. A fast or irregular heartbeat, such as atrial fibrillation, can spoil the images. It does not treat anything: if it shows a significant blockage, the next step may be an invasive test or treatment such as coronary angioplasty. And it looks at structure rather than function, so doctors sometimes add a functional test to see whether a narrowing limits the blood flow.
Who should have a CT coronary angiogram, and who should not?
The test is usually considered for people with chest pain that may be heart-related, people with a family history or several risk factors (high cholesterol, high blood pressure, diabetes, smoking) who want a clear picture, people with unclear results from an exercise test or an ECG, and those who need a check of bypass grafts or coronary anatomy before other surgery. It is not usually advised for someone who is having a heart attack, who has unstable symptoms that need urgent hospital care, or who has no symptoms and no risk factors; screening scans in healthy low-risk people can lead to unnecessary further tests.
It may be unsuitable if you are pregnant, have an allergy to iodine contrast that cannot be managed, have severe kidney disease, have a very fast or irregular heart rhythm that cannot be controlled, or cannot lie flat and hold your breath for several seconds. Your doctor checks these in a short questionnaire and, if needed, a kidney blood test.
CT coronary angiography, invasive angiography or a stress test?
Doctors choose among several heart tests, and each answers a different question. Our overview of heart diagnostics places them side by side.
| Test | Best suited to | Typical limits |
|---|---|---|
| CT coronary angiography | Ruling out or finding narrowing in people with stable chest pain or risk factors | Needs a steady heart rate; calcium can blur results; radiation and contrast |
| Invasive coronary angiography | Confirming a known or strongly suspected blockage and treating it in the same session | Catheter through the wrist or groin; small risk of bleeding or vessel injury |
| Exercise or stress test | Seeing how the heart responds to effort, for those able to exercise | Shows function, not the artery picture; false results are possible |
Read more about the invasive option in our guide to coronary angiography, and about the effort test on our exercise test page. A heart ultrasound, described under echocardiography, is often done alongside to assess the heart's pumping and valves.
CT coronary angiography cost in Turkey compared with the UK, US and Germany
The approximate ranges below are for a single scan and are not hospital quotes. The price depends on the scanner (the number of detector rows), whether a calcium score is added, whether the report is by a cardiologist and radiologist together, and whether a consultation is included.
| Country | Approximate cost range |
|---|---|
| Turkey | €120 – €500 |
| United Kingdom (private) | €350 – €1,000 |
| United States | €500 – €2,500 |
| Germany | €250 – €900 |
A quote should state what is included: the cardiology consultation, ECG, blood tests such as kidney function, the heart-rate medicine, the contrast dye, the scan, the written report and a copy of the images on disc or by secure link. Ask whether a second opinion on the images and a consultation to explain the results are included.
How do I prepare for a CT coronary angiogram?
Preparation is simple but matters for image quality. You are usually asked to avoid caffeine (coffee, tea, cola, energy drinks) for about 12 to 24 hours, since it raises the heart rate, and to fast for a few hours before the scan; drinking water is generally encouraged. Tell the team about every medicine you take, especially metformin for diabetes, blood thinners and erectile dysfunction drugs, because some may need to be paused. Mention any allergy to contrast dye, asthma, kidney disease and pregnancy. Wear clothes without metal in the chest area.
If your heart rate is above about 60 to 65 beats per minute, the team may give a short-acting beta-blocker tablet or injection to slow it, and a spray or tablet of nitroglycerin under the tongue to widen the arteries; both give the sharpest pictures and wear off within a short time.
What happens during the scan, step by step?
You lie on your back on the scanner table with ECG stickers on the chest. A nurse puts a thin tube (cannula) into a vein in your arm. Nitroglycerin is given, and the heart rate is checked. The table moves into the open ring of the scanner. You are asked to hold your breath for about five to ten seconds while the contrast is injected, and you may feel a warm flush and a metallic taste for a short while, or a feeling of needing to pass urine. The scan itself lasts seconds; the entire appointment usually takes 30 to 60 minutes. A radiologist and cardiologist then study the images and write a report, often within a day.
How long is the recovery after CT coronary angiography?
There is almost no recovery. You can usually eat, drink, walk and go back to normal activities straight away, although a beta-blocker can make you feel tired or light-headed for a few hours and you should not drive immediately if you feel unwell. Drink plenty of water for the rest of the day to help clear the contrast from the kidneys. The cannula site may be bruised for a day or two.
- Same day: normal activities, plenty of fluids, watch the arm for swelling.
- Within a few hours: the heart-rate medicine wears off.
- Within one to three days: the results consultation; further tests are agreed if needed.
Plan about one to two nights in Turkey if you combine the scan with a consultation or other checks. No special flight precautions apply to the scan itself.
What are the risks of CT coronary angiography, including radiation?
The test is generally safe, but it uses ionising radiation and iodine contrast. Modern scanners use low doses, and the dose is similar in magnitude to a few years of natural background radiation, but it adds a very small lifetime cancer risk, so it is not repeated without a reason. Contrast dye can cause a warm feeling, nausea, a skin rash, an allergic reaction that is rarely serious, and, in people with poor kidney function, a strain on the kidneys. Beta-blockers can lower blood pressure and heart rate too far in some people and are avoided in asthma or low blood pressure. A cannula can cause bruising or, rarely, leak dye into the skin. The NHS and professional radiology bodies advise that the benefits outweigh the risks when the scan is needed.
How do I choose a centre, and what should I ask?
Choose a hospital with a modern multi-slice CT scanner (64 slices or more, preferably with dose-reduction software), a cardiologist who reads cardiac CT, and a team that checks your kidney function and heart rate beforehand. Red flags include a scan offered without any consultation, a price that excludes the report, a scan for symptom-free people described as essential, and no plan for what to do if the result shows a blockage. Read how our process works and see the cardiology treatments in Turkey overview. Questions worth asking:
- How many slices does the scanner have, and what is the typical radiation dose?
- Who reads the images: a cardiologist, a radiologist or both?
- Is a calcium score included, and is the report in English?
- Do I get the images on a disc or secure link to take to my own doctor?
- What happens next if the scan shows a narrowing?
To receive a written plan and price, send your details through the free quote page.
Hospitals with Cardiac Surgery in Turkey
Frequently asked questions
It is a heart scan in which contrast dye is injected through an arm vein and a fast CT scanner images the coronary arteries. It shows narrowing and plaque without passing a catheter into the heart.
Approximate ranges are €120 to €500 in Turkey, against about €350 to €1,000 for private scans in the UK. The scanner, calcium score, report and consultation change the price, and the hospital confirms it in writing.
It is very good at ruling out significant artery narrowing. Heavy calcium or an irregular heartbeat can reduce accuracy, and a doctor may recommend further tests if the result is unclear.
It is not painful. You may feel a needle prick for the cannula, a warm flush and a metallic taste when the dye goes in, and the nitroglycerin can cause a short headache.
The scan takes only seconds, and the whole visit usually lasts 30 to 60 minutes including preparation and monitoring of your heart rate. Reports are often ready within a day.
Avoid caffeine for 12 to 24 hours, fast for the period advised and tell the team about your medicines, kidney problems and allergies. A heart-rate medicine may be given on arrival.
The dose is low with modern scanners and adds only a very small lifetime risk, so it is used when there is a good reason. Pregnant women should not have the scan unless essential.
CT is a non-invasive way to rule disease out in many people with stable chest pain. An invasive angiogram is preferred when a blockage is already likely or treatment may be needed in the same session.
Usually yes straight away. Drink plenty of fluids to clear the dye, and avoid driving for a short time if the heart-rate medicine makes you light-headed.
One to two nights is typically enough to include a consultation, the scan and the results discussion. Add time if you want other heart tests in the same trip.
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