The risks of a cardiac CT scan include radiation exposure, allergic reactions to the contrast and contrast leaking into the skin. These are rare and have an occurrence rate of less 1%.
Stress Echo is also a non-invasive way of examining the health of the coronary arteries.
Metal objects including jewellery, spectacles, dentures and hairpins may affect the CT images and should be left at home or removed before your scan. You may also be asked to remove your hearing aids.Before the start of the scan, you will be taught to hold your breath for about 10-15 seconds during the scan.
Things to do before your scan:
The medical technologist begins by positioning you on the CT examination table, usually flat on your back. ECG leads will be attached to your chest to monitor your heartbeat. Straps and pillows may be used to help you maintain the correct position and to hold still during the scan. The medical technologist will give you instructions on when to breathe in and hold your breath for 10-15 seconds. You may also feel a little warm upon injection of the contrast. This should subside after a short while. The actual scanning will be completed within a few minutes and the images will be processed and read. Results will then be sent to your doctor.
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