- It is recommended for patients who're at high risk for developing coronary disease (cigarette smokers, those with genetic risk, high cholesterol levels, hypertension, or diabetes)
- You will be asked not to eat anything for about four hours before your test. You can drink water. Avoid caffeinated drinks 12 hours before your test because they can increase your heart rate, which can make it difficult to get clear pictures of your heart.
- During a CT angiogram, you lie on a table that passes through a doughnut-shaped opening in the scanner.
- A special dye (contrast material) is put in a vein (IV) in your arm or hand to make the blood vessels easier to see on the scan.
- You can feel warmth while getting the dye injected.
- ECG leads will be attached on your chest.
- The purpose of this procedure is to see if your blood vessel supply to your heart is narrowed or blocked.
- This helps your doctor to look for abnormalities of your heart muscle or heart valves.